392812401 has 4 divisors (see below), whose sum is σ = 523749872. Its totient is φ = 261874932.

The previous prime is 392812379. The next prime is 392812481. The reversal of 392812401 is 104218293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104218293 = 3 ⋅34739431.

It is not a de Polignac number, because 392812401 - 2⁵ = 392812369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (392812481) 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, 65468731 + ... + 65468736.

It is an arithmetic number, because the mean of its divisors is an integer number (130937468).

Almost surely, 2^392812401 is an apocalyptic number.

It is an amenable number.

392812401 is a deficient number, since it is larger than the sum of its proper divisors (130937471).

392812401 is a wasteful number, since it uses less digits than its factorization.

392812401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130937470.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 392812401 is about 19819.4954779379. The cubic root of 392812401 is about 732.3663753892.

The spelling of 392812401 in words is "three hundred ninety-two million, eight hundred twelve thousand, four hundred one".