39898908 has 36 divisors (see below), whose sum is σ = 115264240. Its totient is φ = 11399616.

The previous prime is 39898907. The next prime is 39898919. The reversal of 39898908 is 80989893.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39898907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78913 + ... + 79416.

Almost surely, 2^39898908 is an apocalyptic number.

It is an amenable number.

39898908 is an abundant number, since it is smaller than the sum of its proper divisors (75365332).

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

39898908 is a wasteful number, since it uses less digits than its factorization.

39898908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158346 (or 158341 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 39898908 is about 6316.5582400545. The cubic root of 39898908 is about 341.7068381347.

The spelling of 39898908 in words is "thirty-nine million, eight hundred ninety-eight thousand, nine hundred eight".