392388 has 24 divisors (see below), whose sum is σ = 964320. Its totient is φ = 123840.

The previous prime is 392383. The next prime is 392389. The reversal of 392388 is 883293.

It is not an unprimeable number, because it can be changed into a prime (392383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633 + ... + 1088.

It is an arithmetic number, because the mean of its divisors is an integer number (40180).

2³⁹²³⁸⁸ is an apocalyptic number.

392388 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

392388 is an abundant number, since it is smaller than the sum of its proper divisors (571932).

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

392388 is a wasteful number, since it uses less digits than its factorization.

392388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1745 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 392388 is about 626.4088121986. The cubic root of 392388 is about 73.2102526772.

It can be divided in two parts, 392 and 388, that added together give a triangular number (780 = T₃₉).

The spelling of 392388 in words is "three hundred ninety-two thousand, three hundred eighty-eight".