393261079 has 8 divisors (see below), whose sum is σ = 401925888. Its totient is φ = 384608760.

The previous prime is 393261047. The next prime is 393261091. The reversal of 393261079 is 970162393.

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 393261079 - 2⁵ = 393261047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393261679) 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, 91284 + ... + 95494.

It is an arithmetic number, because the mean of its divisors is an integer number (50240736).

Almost surely, 2^393261079 is an apocalyptic number.

393261079 is a deficient number, since it is larger than the sum of its proper divisors (8664809).

393261079 is a wasteful number, since it uses less digits than its factorization.

393261079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 393261079 is about 19830.8113550606. The cubic root of 393261079 is about 732.6451103521.

The spelling of 393261079 in words is "three hundred ninety-three million, two hundred sixty-one thousand, seventy-nine".