97215004 has 6 divisors (see below), whose sum is σ = 170126264. Its totient is φ = 48607500.

The previous prime is 97214939. The next prime is 97215007. The reversal of 97215004 is 40051279.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97215007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12151872 + ... + 12151879.

Almost surely, 2^97215004 is an apocalyptic number.

It is an amenable number.

97215004 is a deficient number, since it is larger than the sum of its proper divisors (72911260).

97215004 is a wasteful number, since it uses less digits than its factorization.

97215004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24303755 (or 24303753 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 97215004 is about 9859.7669343651. The cubic root of 97215004 is about 459.8093160517.

The spelling of 97215004 in words is "ninety-seven million, two hundred fifteen thousand, four".