39894886 has 16 divisors (see below), whose sum is σ = 64910160. Its totient is φ = 18315520.

The previous prime is 39894859. The next prime is 39894901. The reversal of 39894886 is 68849893.

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, 12916 + ... + 15703.

It is an arithmetic number, because the mean of its divisors is an integer number (4056885).

Almost surely, 2^39894886 is an apocalyptic number.

39894886 is a deficient number, since it is larger than the sum of its proper divisors (25015274).

39894886 is a wasteful number, since it uses less digits than its factorization.

39894886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28679.

The product of its digits is 2985984, while the sum is 55.

The square root of 39894886 is about 6316.2398624498. The cubic root of 39894886 is about 341.6953558565.

The spelling of 39894886 in words is "thirty-nine million, eight hundred ninety-four thousand, eight hundred eighty-six".