39938328 has 24 divisors (see below), whose sum is σ = 108166500. Its totient is φ = 13312752.

The previous prime is 39938317. The next prime is 39938333. The reversal of 39938328 is 82383993.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277278 + ... + 277421.

Almost surely, 2^39938328 is an apocalyptic number.

It is an amenable number.

39938328 is an abundant number, since it is smaller than the sum of its proper divisors (68228172).

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

39938328 is a wasteful number, since it uses less digits than its factorization.

39938328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554711 (or 554704 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 39938328 is about 6319.6778398903. The cubic root of 39938328 is about 341.8193361999.

It can be divided in two parts, 3993 and 8328, that added together give a palindrome (12321).

The spelling of 39938328 in words is "thirty-nine million, nine hundred thirty-eight thousand, three hundred twenty-eight".