392893642 has 8 divisors (see below), whose sum is σ = 589826016. Its totient is φ = 196284972.

The previous prime is 392893607. The next prime is 392893649. The reversal of 392893642 is 246398293.

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 = 392893592 and 392893601.

It is not an unprimeable number, because it can be changed into a prime (392893649) 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, 77868 + ... + 82759.

It is an arithmetic number, because the mean of its divisors is an integer number (73728252).

Almost surely, 2^392893642 is an apocalyptic number.

392893642 is a deficient number, since it is larger than the sum of its proper divisors (196932374).

392893642 is a wasteful number, since it uses less digits than its factorization.

392893642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161852.

The product of its digits is 559872, while the sum is 46.

The square root of 392893642 is about 19821.5448943820. The cubic root of 392893642 is about 732.4168609605.

The spelling of 392893642 in words is "three hundred ninety-two million, eight hundred ninety-three thousand, six hundred forty-two".