97887394 has 32 divisors (see below), whose sum is σ = 170496576. Its totient is φ = 41656320.

The previous prime is 97887359. The next prime is 97887407. The reversal of 97887394 is 49378879.

It is a super-2 number, since 2×97887394² = 19163883808222472, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 84322 + ... + 85474.

It is an arithmetic number, because the mean of its divisors is an integer number (5328018).

Almost surely, 2^97887394 is an apocalyptic number.

97887394 is a deficient number, since it is larger than the sum of its proper divisors (72609182).

97887394 is a wasteful number, since it uses less digits than its factorization.

97887394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410.

The product of its digits is 3048192, while the sum is 55.

The square root of 97887394 is about 9893.8058400193. The cubic root of 97887394 is about 460.8669755451.

The spelling of 97887394 in words is "ninety-seven million, eight hundred eighty-seven thousand, three hundred ninety-four".