392140 has 24 divisors (see below), whose sum is σ = 941472. Its totient is φ = 134400.

The previous prime is 392131. The next prime is 392143. The reversal of 392140 is 41293.

It is not an unprimeable number, because it can be changed into a prime (392143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261 + ... + 1540.

It is an arithmetic number, because the mean of its divisors is an integer number (39228).

2³⁹²¹⁴⁰ is an apocalyptic number.

It is an amenable number.

392140 is an abundant number, since it is smaller than the sum of its proper divisors (549332).

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

392140 is a wasteful number, since it uses less digits than its factorization.

392140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 392140 is about 626.2108271182. The cubic root of 392140 is about 73.1948257961.

The spelling of 392140 in words is "three hundred ninety-two thousand, one hundred forty".