392255028 has 96 divisors (see below), whose sum is σ = 1145303040. Its totient is φ = 115020000.

The previous prime is 392255027. The next prime is 392255029. The reversal of 392255028 is 820552293.

It is an interprime number because it is at equal distance from previous prime (392255027) and next prime (392255029).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 392254983 and 392255001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392255021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31503 + ... + 42153.

It is an arithmetic number, because the mean of its divisors is an integer number (11930240).

Almost surely, 2^392255028 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 392255028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572651520).

392255028 is an abundant number, since it is smaller than the sum of its proper divisors (753048012).

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

392255028 is a wasteful number, since it uses less digits than its factorization.

392255028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10706 (or 10698 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 392255028 is about 19805.4292556359. The cubic root of 392255028 is about 732.0198194042.

It can be divided in two parts, 39225 and 5028, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 392255028 in words is "three hundred ninety-two million, two hundred fifty-five thousand, twenty-eight".