39803994 has 16 divisors (see below), whose sum is σ = 88453440. Its totient is φ = 13267980.

The previous prime is 39803983. The next prime is 39804019. The reversal of 39803994 is 49930893.

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, 368502 + ... + 368609.

It is an arithmetic number, because the mean of its divisors is an integer number (5528340).

Almost surely, 2^39803994 is an apocalyptic number.

39803994 is an abundant number, since it is smaller than the sum of its proper divisors (48649446).

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

39803994 is a wasteful number, since it uses less digits than its factorization.

39803994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737122 (or 737116 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 39803994 is about 6309.0406560744. The cubic root of 39803994 is about 341.4356651779.

The spelling of 39803994 in words is "thirty-nine million, eight hundred three thousand, nine hundred ninety-four".