39894885 has 24 divisors (see below), whose sum is σ = 69305184. Its totient is φ = 21229920.

The previous prime is 39894859. The next prime is 39894901. The reversal of 39894885 is 58849893.

It is a happy number.

It is not a de Polignac number, because 39894885 - 2⁶ = 39894821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30454 + ... + 31736.

It is an arithmetic number, because the mean of its divisors is an integer number (2887716).

Almost surely, 2^39894885 is an apocalyptic number.

It is an amenable number.

39894885 is a deficient number, since it is larger than the sum of its proper divisors (29410299).

39894885 is a wasteful number, since it uses less digits than its factorization.

39894885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1982 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 39894885 is about 6316.2397832888. The cubic root of 39894885 is about 341.6953530016.

The spelling of 39894885 in words is "thirty-nine million, eight hundred ninety-four thousand, eight hundred eighty-five".