392472237 has 16 divisors (see below), whose sum is σ = 531073280. Its totient is φ = 257774400.

The previous prime is 392472233. The next prime is 392472259. The reversal of 392472237 is 732274293.

It is not a de Polignac number, because 392472237 - 2² = 392472233 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 392472195 and 392472204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392472233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126687 + ... + 129747.

It is an arithmetic number, because the mean of its divisors is an integer number (33192080).

Almost surely, 2^392472237 is an apocalyptic number.

It is an amenable number.

392472237 is a deficient number, since it is larger than the sum of its proper divisors (138601043).

392472237 is a wasteful number, since it uses less digits than its factorization.

392472237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684.

The product of its digits is 127008, while the sum is 39.

The square root of 392472237 is about 19810.9120688574. The cubic root of 392472237 is about 732.1549117480.

The spelling of 392472237 in words is "three hundred ninety-two million, four hundred seventy-two thousand, two hundred thirty-seven".