392884 has 6 divisors (see below), whose sum is σ = 687554. Its totient is φ = 196440.

The previous prime is 392879. The next prime is 392893. The reversal of 392884 is 488293.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 142884 = 500^2 + 378^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 49107 + ... + 49114.

2³⁹²⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

392884 is a deficient number, since it is larger than the sum of its proper divisors (294670).

392884 is a wasteful number, since it uses less digits than its factorization.

392884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98225 (or 98223 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 392884 is about 626.8045947502. The cubic root of 392884 is about 73.2410869499.

It can be divided in two parts, 392 and 884, that multiplied together give a triangular number (346528 = T₈₃₂).

The spelling of 392884 in words is "three hundred ninety-two thousand, eight hundred eighty-four".