392867328 has 160 divisors (see below), whose sum is σ = 1217779200. Its totient is φ = 110223360.

The previous prime is 392867317. The next prime is 392867339. The reversal of 392867328 is 823768293.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (392867317) and next prime (392867339).

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (870912) is a multiple of the sum of its prime divisors (672).

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 in 15 ways as a sum of consecutive naturals, for example, 655573 + ... + 656171.

It is an arithmetic number, because the mean of its divisors is an integer number (7611120).

Almost surely, 2^392867328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392867328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608889600).

392867328 is an abundant number, since it is smaller than the sum of its proper divisors (824911872).

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

392867328 is an equidigital number, since it uses as much as digits as its factorization.

392867328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 672 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 392867328 is about 19820.8811105864. The cubic root of 392867328 is about 732.4005094211.

The spelling of 392867328 in words is "three hundred ninety-two million, eight hundred sixty-seven thousand, three hundred twenty-eight".