392208401 has 4 divisors (see below), whose sum is σ = 422378292. Its totient is φ = 362038512.

The previous prime is 392208391. The next prime is 392208413. The reversal of 392208401 is 104802293.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73942801 + 318265600 = 8599^2 + 17840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-392208401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (392208301) 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, 15084926 + ... + 15084951.

It is an arithmetic number, because the mean of its divisors is an integer number (105594573).

Almost surely, 2^392208401 is an apocalyptic number.

It is an amenable number.

392208401 is a deficient number, since it is larger than the sum of its proper divisors (30169891).

392208401 is a wasteful number, since it uses less digits than its factorization.

392208401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30169890.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 392208401 is about 19804.2520939317. The cubic root of 392208401 is about 731.9908134105.

The spelling of 392208401 in words is "three hundred ninety-two million, two hundred eight thousand, four hundred one".