39908998 has 16 divisors (see below), whose sum is σ = 60892416. Its totient is φ = 19614600.

The previous prime is 39908989. The next prime is 39909011. The reversal of 39908998 is 89980993.

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, 30465 + ... + 31747.

It is an arithmetic number, because the mean of its divisors is an integer number (3805776).

Almost surely, 2^39908998 is an apocalyptic number.

39908998 is a deficient number, since it is larger than the sum of its proper divisors (20983418).

39908998 is a wasteful number, since it uses less digits than its factorization.

39908998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The square root of 39908998 is about 6317.3568840141. The cubic root of 39908998 is about 341.7356403549.

The spelling of 39908998 in words is "thirty-nine million, nine hundred eight thousand, nine hundred ninety-eight".