39928260 has 48 divisors (see below), whose sum is σ = 114532992. Its totient is φ = 10387200.

The previous prime is 39928241. The next prime is 39928261. The reversal of 39928260 is 6282993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39928261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656 + ... + 10575.

It is an arithmetic number, because the mean of its divisors is an integer number (2386104).

Almost surely, 2^39928260 is an apocalyptic number.

39928260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39928260 is an abundant number, since it is smaller than the sum of its proper divisors (74604732).

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

39928260 is a wasteful number, since it uses less digits than its factorization.

39928260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16284 (or 16282 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 39928260 is about 6318.8812300913. The cubic root of 39928260 is about 341.7906108587.

The spelling of 39928260 in words is "thirty-nine million, nine hundred twenty-eight thousand, two hundred sixty".