97440392 has 32 divisors (see below), whose sum is σ = 209248320. Its totient is φ = 41670720.

The previous prime is 97440383. The next prime is 97440439. The reversal of 97440392 is 29304479.

It is a super-2 number, since 2×97440392² = 18989259986227328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 29042 + ... + 32222.

It is an arithmetic number, because the mean of its divisors is an integer number (6539010).

Almost surely, 2^97440392 is an apocalyptic number.

It is an amenable number.

97440392 is an abundant number, since it is smaller than the sum of its proper divisors (111807928).

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

97440392 is a wasteful number, since it uses less digits than its factorization.

97440392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 97440392 is about 9871.1899991845. The cubic root of 97440392 is about 460.1643898903.

The spelling of 97440392 in words is "ninety-seven million, four hundred forty thousand, three hundred ninety-two".