3972680 has 16 divisors (see below), whose sum is σ = 8938620. Its totient is φ = 1589056.

The previous prime is 3972671. The next prime is 3972697. The reversal of 3972680 is 862793.

3972680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3740356 + 232324 = 1934^2 + 482^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3972680.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49619 + ... + 49698.

Almost surely, 2^3972680 is an apocalyptic number.

It is an amenable number.

3972680 is an abundant number, since it is smaller than the sum of its proper divisors (4965940).

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

3972680 is a wasteful number, since it uses less digits than its factorization.

3972680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99328 (or 99324 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3972680 is about 1993.1582977777. The cubic root of 3972680 is about 158.3778809709.

The spelling of 3972680 in words is "three million, nine hundred seventy-two thousand, six hundred eighty".