3390872 has 8 divisors (see below), whose sum is σ = 6357900. Its totient is φ = 1695432.

The previous prime is 3390869. The next prime is 3390899. The reversal of 3390872 is 2780933.

3390872 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3390872² = 22996025840768, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 211922 + ... + 211937.

Almost surely, 2^3390872 is an apocalyptic number.

It is an amenable number.

3390872 is a deficient number, since it is larger than the sum of its proper divisors (2967028).

3390872 is a wasteful number, since it uses less digits than its factorization.

3390872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423865 (or 423861 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3390872 is about 1841.4320514209. The cubic root of 3390872 is about 150.2347730930.

The spelling of 3390872 in words is "three million, three hundred ninety thousand, eight hundred seventy-two".