8972645 has 32 divisors (see below), whose sum is σ = 12628224. Its totient is φ = 6054400.

The previous prime is 8972627. The next prime is 8972647. The reversal of 8972645 is 5462798.

It is not a de Polignac number, because 8972645 - 2¹⁴ = 8956261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8972647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51779 + ... + 51951.

It is an arithmetic number, because the mean of its divisors is an integer number (394632).

Almost surely, 2^8972645 is an apocalyptic number.

It is an amenable number.

8972645 is a deficient number, since it is larger than the sum of its proper divisors (3655579).

8972645 is a wasteful number, since it uses less digits than its factorization.

8972645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253.

The product of its digits is 120960, while the sum is 41.

The square root of 8972645 is about 2995.4373637250. The cubic root of 8972645 is about 207.7974251224.

The spelling of 8972645 in words is "eight million, nine hundred seventy-two thousand, six hundred forty-five".