97217404 has 6 divisors (see below), whose sum is σ = 170130464. Its totient is φ = 48608700.

The previous prime is 97217387. The next prime is 97217411. The reversal of 97217404 is 40471279.

It is a self number, because there is not a number n which added to its sum of digits gives 97217404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12152172 + ... + 12152179.

Almost surely, 2^97217404 is an apocalyptic number.

It is an amenable number.

97217404 is a deficient number, since it is larger than the sum of its proper divisors (72913060).

97217404 is a wasteful number, since it uses less digits than its factorization.

97217404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24304355 (or 24304353 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 97217404 is about 9859.8886403448. Note that the first 3 decimals coincide. The cubic root of 97217404 is about 459.8130998753.

The spelling of 97217404 in words is "ninety-seven million, two hundred seventeen thousand, four hundred four".