697923 has 8 divisors (see below), whose sum is σ = 1034000. Its totient is φ = 465264.

The previous prime is 697913. The next prime is 697937. The reversal of 697923 is 329796.

It is not a de Polignac number, because 697923 - 2⁵ = 697891 is a prime.

It is a Duffinian 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 697923.

It is not an unprimeable number, because it can be changed into a prime (697913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12898 + ... + 12951.

It is an arithmetic number, because the mean of its divisors is an integer number (129250).

2⁶⁹⁷⁹²³ is an apocalyptic number.

697923 is a deficient number, since it is larger than the sum of its proper divisors (336077).

697923 is a wasteful number, since it uses less digits than its factorization.

697923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25858 (or 25852 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 697923 is about 835.4178595170. The cubic root of 697923 is about 88.7024952408.

The spelling of 697923 in words is "six hundred ninety-seven thousand, nine hundred twenty-three".