3905372 has 24 divisors (see below), whose sum is σ = 7151760. Its totient is φ = 1863680.

The previous prime is 3905357. The next prime is 3905383. The reversal of 3905372 is 2735093.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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, 15068 + ... + 15324.

It is an arithmetic number, because the mean of its divisors is an integer number (297990).

Almost surely, 2^3905372 is an apocalyptic number.

It is an amenable number.

3905372 is a deficient number, since it is larger than the sum of its proper divisors (3246388).

3905372 is a wasteful number, since it uses less digits than its factorization.

3905372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 3905372 is about 1976.2014067397. The cubic root of 3905372 is about 157.4783307721.

It can be divided in two parts, 3905 and 372, that multiplied together give a triangular number (1452660 = T₁₇₀₄).

The spelling of 3905372 in words is "three million, nine hundred five thousand, three hundred seventy-two".