3929888 has 24 divisors (see below), whose sum is σ = 7805952. Its totient is φ = 1947456.

The previous prime is 3929879. The next prime is 3929917. The reversal of 3929888 is 8889293.

It is a happy number.

3929888 is nontrivially palindromic in base 7.

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 in 3 ways as a sum of consecutive naturals, for example, 3581 + ... + 4547.

It is an arithmetic number, because the mean of its divisors is an integer number (325248).

Almost surely, 2^3929888 is an apocalyptic number.

It is an amenable number.

3929888 is a deficient number, since it is larger than the sum of its proper divisors (3876064).

3929888 is a wasteful number, since it uses less digits than its factorization.

3929888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1096 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 3929888 is about 1982.3945116954. The cubic root of 3929888 is about 157.8071674112.

The spelling of 3929888 in words is "three million, nine hundred twenty-nine thousand, eight hundred eighty-eight".