697956 has 36 divisors (see below), whose sum is σ = 1896048. Its totient is φ = 199248.

The previous prime is 697951. The next prime is 697967. The reversal of 697956 is 659796.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697956.

It is not an unprimeable number, because it can be changed into a prime (697951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (52668).

2⁶⁹⁷⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948024).

697956 is an abundant number, since it is smaller than the sum of its proper divisors (1198092).

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

697956 is a wasteful number, since it uses less digits than its factorization.

697956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1199 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 697956 is about 835.4376098788. The cubic root of 697956 is about 88.7038932633.

It can be divided in two parts, 697 and 956, that added together give a triangular number (1653 = T₅₇).

The spelling of 697956 in words is "six hundred ninety-seven thousand, nine hundred fifty-six".