392275242 has 12 divisors (see below), whose sum is σ = 849929730. Its totient is φ = 130758408.

The previous prime is 392275237. The next prime is 392275253. The reversal of 392275242 is 242572293.

392275242 is a `hidden beast` number, since 392 + 27 + 5 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 230705721 + 161569521 = 15189^2 + 12711^2 .

It is a junction number, because it is equal to n+sod(n) for n = 392275197 and 392275206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10896517 + ... + 10896552.

Almost surely, 2^392275242 is an apocalyptic number.

392275242 is an abundant number, since it is smaller than the sum of its proper divisors (457654488).

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

392275242 is a wasteful number, since it uses less digits than its factorization.

392275242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21793077 (or 21793074 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 392275242 is about 19805.9395636763. The cubic root of 392275242 is about 732.0323935320.

The spelling of 392275242 in words is "three hundred ninety-two million, two hundred seventy-five thousand, two hundred forty-two".