392490274 has 16 divisors (see below), whose sum is σ = 642945600. Its totient is φ = 178213360.

The previous prime is 392490251. The next prime is 392490299. The reversal of 392490274 is 472094293.

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, 12552 + ... + 30700.

It is an arithmetic number, because the mean of its divisors is an integer number (40184100).

Almost surely, 2^392490274 is an apocalyptic number.

392490274 is a deficient number, since it is larger than the sum of its proper divisors (250455326).

392490274 is a wasteful number, since it uses less digits than its factorization.

392490274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19145.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 392490274 is about 19811.3672925419. The cubic root of 392490274 is about 732.1661275527.

The spelling of 392490274 in words is "three hundred ninety-two million, four hundred ninety thousand, two hundred seventy-four".