97657404 has 24 divisors (see below), whose sum is σ = 245395920. Its totient is φ = 30048384.

The previous prime is 97657403. The next prime is 97657453. The reversal of 97657404 is 40475679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97657403) 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, 312849 + ... + 313160.

It is an arithmetic number, because the mean of its divisors is an integer number (10224830).

Almost surely, 2^97657404 is an apocalyptic number.

It is an amenable number.

97657404 is an abundant number, since it is smaller than the sum of its proper divisors (147738516).

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

97657404 is a wasteful number, since it uses less digits than its factorization.

97657404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626029 (or 626027 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 97657404 is about 9882.1760761484. The cubic root of 97657404 is about 460.5057512418.

The spelling of 97657404 in words is "ninety-seven million, six hundred fifty-seven thousand, four hundred four".