8981972 has 12 divisors (see below), whose sum is σ = 16143540. Its totient is φ = 4369536.

The previous prime is 8981957. The next prime is 8981977. The reversal of 8981972 is 2791898.

It can be written as a sum of positive squares in 2 ways, for example, as 6948496 + 2033476 = 2636^2 + 1426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8981977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30197 + ... + 30492.

It is an arithmetic number, because the mean of its divisors is an integer number (1345295).

Almost surely, 2^8981972 is an apocalyptic number.

It is an amenable number.

8981972 is a deficient number, since it is larger than the sum of its proper divisors (7161568).

8981972 is a wasteful number, since it uses less digits than its factorization.

8981972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60730 (or 60728 counting only the distinct ones).

The product of its digits is 72576, while the sum is 44.

The square root of 8981972 is about 2996.9938271541. The cubic root of 8981972 is about 207.8694014986.

The spelling of 8981972 in words is "eight million, nine hundred eighty-one thousand, nine hundred seventy-two".