390824882 has 18 divisors (see below), whose sum is σ = 682291197. Its totient is φ = 167412504.

The previous prime is 390824867. The next prime is 390824897. The reversal of 390824882 is 288428093.

It is an interprime number because it is at equal distance from previous prime (390824867) and next prime (390824897).

It can be written as a sum of positive squares in 2 ways, for example, as 256288081 + 134536801 = 16009^2 + 11599^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13979.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 194708 + ... + 196704.

Almost surely, 2^390824882 is an apocalyptic number.

390824882 is a deficient number, since it is larger than the sum of its proper divisors (291466315).

390824882 is an frugal number, since it uses more digits than its factorization.

390824882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 390824882 is about 19769.2913884135. The cubic root of 390824882 is about 731.1290977752.

The spelling of 390824882 in words is "three hundred ninety million, eight hundred twenty-four thousand, eight hundred eighty-two".