89972938 has 32 divisors (see below), whose sum is σ = 150803712. Its totient is φ = 40249440.

The previous prime is 89972929. The next prime is 89972963. The reversal of 89972938 is 83927998.

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, 194095 + ... + 194557.

It is an arithmetic number, because the mean of its divisors is an integer number (4712616).

Almost surely, 2^89972938 is an apocalyptic number.

89972938 is a deficient number, since it is larger than the sum of its proper divisors (60830774).

89972938 is a wasteful number, since it uses less digits than its factorization.

89972938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 549 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 55.

The square root of 89972938 is about 9485.4065806374. The cubic root of 89972938 is about 448.0955531992.

It can be divided in two parts, 8997 and 2938, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 89972938 in words is "eighty-nine million, nine hundred seventy-two thousand, nine hundred thirty-eight".