392887 has 12 divisors (see below), whose sum is σ = 459648. Its totient is φ = 334400.

The previous prime is 392879. The next prime is 392893. The reversal of 392887 is 788293.

It is not a de Polignac number, because 392887 - 2³ = 392879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1962 + ... + 2152.

It is an arithmetic number, because the mean of its divisors is an integer number (38304).

2³⁹²⁸⁸⁷ is an apocalyptic number.

392887 is a deficient number, since it is larger than the sum of its proper divisors (66761).

392887 is a wasteful number, since it uses less digits than its factorization.

392887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 219 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 392887 is about 626.8069878360. The cubic root of 392887 is about 73.2412733686.

It can be divided in two parts, 39 and 2887, that added together give a triangular number (2926 = T₇₆).

The spelling of 392887 in words is "three hundred ninety-two thousand, eight hundred eighty-seven".