392244073 has 8 divisors (see below), whose sum is σ = 423674888. Its totient is φ = 360993024.

The previous prime is 392244031. The next prime is 392244079. The reversal of 392244073 is 370442293.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53978409 + 338265664 = 7347^2 + 18392^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 392244073 - 2⁹ = 392243561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (392244079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40386 + ... + 49147.

It is an arithmetic number, because the mean of its divisors is an integer number (52959361).

Almost surely, 2^392244073 is an apocalyptic number.

It is an amenable number.

392244073 is a deficient number, since it is larger than the sum of its proper divisors (31430815).

392244073 is a wasteful number, since it uses less digits than its factorization.

392244073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89883.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 392244073 is about 19805.1526881264. The cubic root of 392244073 is about 732.0130046611.

The spelling of 392244073 in words is "three hundred ninety-two million, two hundred forty-four thousand, seventy-three".