3972210 has 32 divisors (see below), whose sum is σ = 10400832. Its totient is φ = 962880.

The previous prime is 3972193. The next prime is 3972223. The reversal of 3972210 is 122793.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5689 + ... + 6348.

It is an arithmetic number, because the mean of its divisors is an integer number (325026).

Almost surely, 2^3972210 is an apocalyptic number.

3972210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3972210 is an abundant number, since it is smaller than the sum of its proper divisors (6428622).

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

3972210 is a wasteful number, since it uses less digits than its factorization.

3972210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12058.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 3972210 is about 1993.0403909605. The cubic root of 3972210 is about 158.3716349321.

The spelling of 3972210 in words is "three million, nine hundred seventy-two thousand, two hundred ten".