8961972 has 24 divisors (see below), whose sum is σ = 21074592. Its totient is φ = 2964000.

The previous prime is 8961961. The next prime is 8961983. The reversal of 8961972 is 2791698.

It is an interprime number because it is at equal distance from previous prime (8961961) and next prime (8961983).

It is a congruent number.

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, 1279 + ... + 4422.

It is an arithmetic number, because the mean of its divisors is an integer number (878108).

Almost surely, 2^8961972 is an apocalyptic number.

It is an amenable number.

8961972 is an abundant number, since it is smaller than the sum of its proper divisors (12112620).

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

8961972 is a wasteful number, since it uses less digits than its factorization.

8961972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5837 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 8961972 is about 2993.6552907775. The cubic root of 8961972 is about 207.7150004539.

The spelling of 8961972 in words is "eight million, nine hundred sixty-one thousand, nine hundred seventy-two".