3939628 has 24 divisors (see below), whose sum is σ = 8596224. Its totient is φ = 1534800.

The previous prime is 3939619. The next prime is 3939641. The reversal of 3939628 is 8269393.

3939628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6088 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (358176).

Almost surely, 2^3939628 is an apocalyptic number.

It is an amenable number.

3939628 is an abundant number, since it is smaller than the sum of its proper divisors (4656596).

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

3939628 is a wasteful number, since it uses less digits than its factorization.

3939628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813 (or 12811 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 3939628 is about 1984.8496164697. The cubic root of 3939628 is about 157.9374318304.

The spelling of 3939628 in words is "three million, nine hundred thirty-nine thousand, six hundred twenty-eight".