39381288 has 16 divisors (see below), whose sum is σ = 98453280. Its totient is φ = 13127088.

The previous prime is 39381269. The next prime is 39381301. The reversal of 39381288 is 88218393.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820420 + ... + 820467.

It is an arithmetic number, because the mean of its divisors is an integer number (6153330).

Almost surely, 2^39381288 is an apocalyptic number.

It is an amenable number.

39381288 is an abundant number, since it is smaller than the sum of its proper divisors (59071992).

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

39381288 is a wasteful number, since it uses less digits than its factorization.

39381288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640896 (or 1640892 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 39381288 is about 6275.4512188368. The cubic root of 39381288 is about 340.2227145189. Note that the first 3 decimals are identical.

The spelling of 39381288 in words is "thirty-nine million, three hundred eighty-one thousand, two hundred eighty-eight".