392305242 has 32 divisors (see below), whose sum is σ = 897357312. Its totient is φ = 112004784.

The previous prime is 392305241. The next prime is 392305271. The reversal of 392305242 is 242503293.

It is not an unprimeable number, because it can be changed into a prime (392305241) 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, 75913 + ... + 80915.

It is an arithmetic number, because the mean of its divisors is an integer number (28042416).

Almost surely, 2^392305242 is an apocalyptic number.

392305242 is an abundant number, since it is smaller than the sum of its proper divisors (505052070).

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

392305242 is a wasteful number, since it uses less digits than its factorization.

392305242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 392305242 is about 19806.6968977667. The cubic root of 392305242 is about 732.0510542491.

The spelling of 392305242 in words is "three hundred ninety-two million, three hundred five thousand, two hundred forty-two".