3928886 has 16 divisors (see below), whose sum is σ = 6398784. Its totient is φ = 1798464.

The previous prime is 3928849. The next prime is 3928913. The reversal of 3928886 is 6888293.

It is a super-2 number, since 2×3928886² = 30872290401992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3011 + ... + 4113.

It is an arithmetic number, because the mean of its divisors is an integer number (399924).

Almost surely, 2^3928886 is an apocalyptic number.

3928886 is a deficient number, since it is larger than the sum of its proper divisors (2469898).

3928886 is a wasteful number, since it uses less digits than its factorization.

3928886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its digits is 165888, while the sum is 44.

The square root of 3928886 is about 1982.1417709135. The cubic root of 3928886 is about 157.7937542875.

The spelling of 3928886 in words is "three million, nine hundred twenty-eight thousand, eight hundred eighty-six".