3972284 has 12 divisors (see below), whose sum is σ = 7253904. Its totient is φ = 1899744.

The previous prime is 3972263. The next prime is 3972301. The reversal of 3972284 is 4822793.

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 3 ways as a sum of consecutive naturals, for example, 21497 + ... + 21680.

It is an arithmetic number, because the mean of its divisors is an integer number (604492).

Almost surely, 2^3972284 is an apocalyptic number.

It is an amenable number.

3972284 is a deficient number, since it is larger than the sum of its proper divisors (3281620).

3972284 is a wasteful number, since it uses less digits than its factorization.

3972284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43204 (or 43202 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 3972284 is about 1993.0589554752. The cubic root of 3972284 is about 158.3726183837.

The spelling of 3972284 in words is "three million, nine hundred seventy-two thousand, two hundred eighty-four".