39938104 has 16 divisors (see below), whose sum is σ = 77466600. Its totient is φ = 19280352.

The previous prime is 39938089. The next prime is 39938113. The reversal of 39938104 is 40183993.

It is a super-2 number, since 2×39938104² = 3190104302229632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85842 + ... + 86305.

Almost surely, 2^39938104 is an apocalyptic number.

It is an amenable number.

39938104 is a deficient number, since it is larger than the sum of its proper divisors (37528496).

39938104 is a wasteful number, since it uses less digits than its factorization.

39938104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172182 (or 172178 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 39938104 is about 6319.6601174430. The cubic root of 39938104 is about 341.8186971507.

It can be divided in two parts, 399 and 38104, that added together give a triangular number (38503 = T₂₇₇).

The spelling of 39938104 in words is "thirty-nine million, nine hundred thirty-eight thousand, one hundred four".