697404 has 24 divisors (see below), whose sum is σ = 1648080. Its totient is φ = 229504.

The previous prime is 697399. The next prime is 697409. The reversal of 697404 is 404796.

It is an interprime number because it is at equal distance from previous prime (697399) and next prime (697409).

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 697404.

It is not an unprimeable number, because it can be changed into a prime (697409) by changing a digit.

697404 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 7 ways as a sum of consecutive naturals, for example, 742 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (68670).

2⁶⁹⁷⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

697404 is an abundant number, since it is smaller than the sum of its proper divisors (950676).

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

697404 is a wasteful number, since it uses less digits than its factorization.

697404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 697404 is about 835.1071787501. The cubic root of 697404 is about 88.6805023604.

The spelling of 697404 in words is "six hundred ninety-seven thousand, four hundred four".