392247242 has 16 divisors (see below), whose sum is σ = 607098240. Its totient is φ = 189967488.

The previous prime is 392247209. The next prime is 392247253. The reversal of 392247242 is 242742293.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12392 + ... + 30627.

It is an arithmetic number, because the mean of its divisors is an integer number (37943640).

Almost surely, 2^392247242 is an apocalyptic number.

392247242 is a deficient number, since it is larger than the sum of its proper divisors (214850998).

392247242 is a wasteful number, since it uses less digits than its factorization.

392247242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43165.

The product of its digits is 48384, while the sum is 35.

The square root of 392247242 is about 19805.2326923972. The cubic root of 392247242 is about 732.0149760042.

The spelling of 392247242 in words is "three hundred ninety-two million, two hundred forty-seven thousand, two hundred forty-two".