696540 has 96 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 158976.

The previous prime is 696533. The next prime is 696547. The reversal of 696540 is 45696.

It is an interprime number because it is at equal distance from previous prime (696533) and next prime (696547).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 696498 and 696507.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 696540.

It is not an unprimeable number, because it can be changed into a prime (696547) by changing a digit.

696540 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14797 + ... + 14843.

It is an arithmetic number, because the mean of its divisors is an integer number (23520).

2⁶⁹⁶⁵⁴⁰ is an apocalyptic number.

696540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128960).

696540 is an abundant number, since it is smaller than the sum of its proper divisors (1561380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

696540 is a wasteful number, since it uses less digits than its factorization.

696540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 696540 is about 834.5897195629. The cubic root of 696540 is about 88.6438657209.

The spelling of 696540 in words is "six hundred ninety-six thousand, five hundred forty".