697662 has 48 divisors (see below), whose sum is σ = 1778400. Its totient is φ = 197568.

The previous prime is 697643. The next prime is 697673. The reversal of 697662 is 266796.

It is a nude number because it is divisible by every one of its digits.

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 697662.

It is an unprimeable number.

697662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6118 + ... + 6230.

It is an arithmetic number, because the mean of its divisors is an integer number (37050).

2⁶⁹⁷⁶⁶² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889200).

697662 is an abundant number, since it is smaller than the sum of its proper divisors (1080738).

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

697662 is a wasteful number, since it uses less digits than its factorization.

697662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 125 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 697662 is about 835.2616356568. The cubic root of 697662 is about 88.6914366007.

The spelling of 697662 in words is "six hundred ninety-seven thousand, six hundred sixty-two".