392849140 has 48 divisors (see below), whose sum is σ = 851659200. Its totient is φ = 152140032.

The previous prime is 392849123. The next prime is 392849153. The reversal of 392849140 is 41948293.

It is a junction number, because it is equal to n+sod(n) for n = 392849093 and 392849102.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 76576 + ... + 81544.

It is an arithmetic number, because the mean of its divisors is an integer number (17742900).

Almost surely, 2^392849140 is an apocalyptic number.

It is an amenable number.

392849140 is an abundant number, since it is smaller than the sum of its proper divisors (458810060).

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

392849140 is a wasteful number, since it uses less digits than its factorization.

392849140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104 (or 5102 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 392849140 is about 19820.4222962075. The cubic root of 392849140 is about 732.3892069575.

The spelling of 392849140 in words is "three hundred ninety-two million, eight hundred forty-nine thousand, one hundred forty".