392878048 has 24 divisors (see below), whose sum is σ = 814189320. Its totient is φ = 186099840.

The previous prime is 392878037. The next prime is 392878049. The reversal of 392878048 is 840878293.

It is a junction number, because it is equal to n+sod(n) for n = 392877992 and 392878010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392878049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322483 + ... + 323698.

It is an arithmetic number, because the mean of its divisors is an integer number (33924555).

Almost surely, 2^392878048 is an apocalyptic number.

392878048 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

392878048 is an abundant number, since it is smaller than the sum of its proper divisors (421311272).

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

392878048 is a wasteful number, since it uses less digits than its factorization.

392878048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646210 (or 646202 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 392878048 is about 19821.1515306251. The cubic root of 392878048 is about 732.4071709253.

The spelling of 392878048 in words is "three hundred ninety-two million, eight hundred seventy-eight thousand, forty-eight".