392750242 has 8 divisors (see below), whose sum is σ = 591473232. Its totient is φ = 195592500.

The previous prime is 392750233. The next prime is 392750249. The reversal of 392750242 is 242057293.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 392750198 and 392750207.

It is not an unprimeable number, because it can be changed into a prime (392750249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390684 + ... + 391687.

It is an arithmetic number, because the mean of its divisors is an integer number (73934154).

Almost surely, 2^392750242 is an apocalyptic number.

392750242 is a deficient number, since it is larger than the sum of its proper divisors (198722990).

392750242 is a wasteful number, since it uses less digits than its factorization.

392750242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782624.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 392750242 is about 19817.9272881904. The cubic root of 392750242 is about 732.3277432391.

The spelling of 392750242 in words is "three hundred ninety-two million, seven hundred fifty thousand, two hundred forty-two".