3972580 has 24 divisors (see below), whose sum is σ = 8382528. Its totient is φ = 1581408.

The previous prime is 3972569. The next prime is 3972593. The reversal of 3972580 is 852793.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 5817 + ... + 6463.

It is an arithmetic number, because the mean of its divisors is an integer number (349272).

Almost surely, 2^3972580 is an apocalyptic number.

It is an amenable number.

3972580 is an abundant number, since it is smaller than the sum of its proper divisors (4409948).

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

3972580 is a wasteful number, since it uses less digits than its factorization.

3972580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3972580 is about 1993.1332118050. The cubic root of 3972580 is about 158.3765520677.

The spelling of 3972580 in words is "three million, nine hundred seventy-two thousand, five hundred eighty".