3906412 has 12 divisors (see below), whose sum is σ = 7133616. Its totient is φ = 1868240.

The previous prime is 3906407. The next prime is 3906431. The reversal of 3906412 is 2146093.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21139 + ... + 21322.

It is an arithmetic number, because the mean of its divisors is an integer number (594468).

Almost surely, 2^3906412 is an apocalyptic number.

It is an amenable number.

3906412 is a deficient number, since it is larger than the sum of its proper divisors (3227204).

3906412 is a wasteful number, since it uses less digits than its factorization.

3906412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42488 (or 42486 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3906412 is about 1976.4645202988. The cubic root of 3906412 is about 157.4923083503.

The spelling of 3906412 in words is "three million, nine hundred six thousand, four hundred twelve".