39149808 has 20 divisors (see below), whose sum is σ = 101137128. Its totient is φ = 13049920.

The previous prime is 39149801. The next prime is 39149809. The reversal of 39149808 is 80894193.

It is a self number, because there is not a number n which added to its sum of digits gives 39149808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39149801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407763 + ... + 407858.

Almost surely, 2^39149808 is an apocalyptic number.

It is an amenable number.

39149808 is an abundant number, since it is smaller than the sum of its proper divisors (61987320).

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

39149808 is a wasteful number, since it uses less digits than its factorization.

39149808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815632 (or 815626 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 39149808 is about 6256.9807415398. The cubic root of 39149808 is about 339.5548037039.

The spelling of 39149808 in words is "thirty-nine million, one hundred forty-nine thousand, eight hundred eight".