3972684 has 24 divisors (see below), whose sum is σ = 9486400. Its totient is φ = 1293264.

The previous prime is 3972671. The next prime is 3972697. The reversal of 3972684 is 4862793.

It is an interprime number because it is at equal distance from previous prime (3972671) and next prime (3972697).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3334 + ... + 4365.

Almost surely, 2^3972684 is an apocalyptic number.

It is an amenable number.

3972684 is an abundant number, since it is smaller than the sum of its proper divisors (5513716).

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

3972684 is a wasteful number, since it uses less digits than its factorization.

3972684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7749 (or 7747 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 3972684 is about 1993.1593012100. The cubic root of 3972684 is about 158.3779341265.

It can be divided in two parts, 3972 and 684, that added together give a triangular number (4656 = T₉₆).

The spelling of 3972684 in words is "three million, nine hundred seventy-two thousand, six hundred eighty-four".