3930556 has 24 divisors (see below), whose sum is σ = 7908320. Its totient is φ = 1674432.

The previous prime is 3930541. The next prime is 3930559. The reversal of 3930556 is 6550393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6106 + ... + 6718.

Almost surely, 2^3930556 is an apocalyptic number.

It is an amenable number.

3930556 is an abundant number, since it is smaller than the sum of its proper divisors (3977764).

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

3930556 is a wasteful number, since it uses less digits than its factorization.

3930556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 3930556 is about 1982.5629876501. The cubic root of 3930556 is about 157.8161082271.

The spelling of 3930556 in words is "three million, nine hundred thirty thousand, five hundred fifty-six".