392246472 has 64 divisors (see below), whose sum is σ = 1039680000. Its totient is φ = 123102720.

The previous prime is 392246471. The next prime is 392246483. The reversal of 392246472 is 274642293.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 392246472.

It is not an unprimeable number, because it can be changed into a prime (392246471) by changing a digit.

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, 20404 + ... + 34652.

It is an arithmetic number, because the mean of its divisors is an integer number (16245000).

Almost surely, 2^392246472 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 392246472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519840000).

392246472 is an abundant number, since it is smaller than the sum of its proper divisors (647433528).

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

392246472 is a wasteful number, since it uses less digits than its factorization.

392246472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14326 (or 14322 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 392246472 is about 19805.2132530806. The cubic root of 392246472 is about 732.0144970105.

The spelling of 392246472 in words is "three hundred ninety-two million, two hundred forty-six thousand, four hundred seventy-two".