392608641 has 8 divisors (see below), whose sum is σ = 541529280. Its totient is φ = 252713552.

The previous prime is 392608631. The next prime is 392608649. The reversal of 392608641 is 146806293.

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 392608641 - 2⁹ = 392608129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 392608641.

It is not an unprimeable number, because it can be changed into a prime (392608649) 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, 2256285 + ... + 2256458.

It is an arithmetic number, because the mean of its divisors is an integer number (67691160).

Almost surely, 2^392608641 is an apocalyptic number.

It is an amenable number.

392608641 is a deficient number, since it is larger than the sum of its proper divisors (148920639).

392608641 is a wasteful number, since it uses less digits than its factorization.

392608641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512775.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 392608641 is about 19814.3544179466. The cubic root of 392608641 is about 732.2397222404.

The spelling of 392608641 in words is "three hundred ninety-two million, six hundred eight thousand, six hundred forty-one".