396334013 has 4 divisors (see below), whose sum is σ = 399227100. Its totient is φ = 393440928.

The previous prime is 396334007. The next prime is 396334021. The reversal of 396334013 is 310433693.

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 192044164 + 204289849 = 13858^2 + 14293^2 .

It is a cyclic number.

It is not a de Polignac number, because 396334013 - 2⁴ = 396333997 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 (396334063) 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, 1446338 + ... + 1446611.

It is an arithmetic number, because the mean of its divisors is an integer number (99806775).

Almost surely, 2^396334013 is an apocalyptic number.

It is an amenable number.

396334013 is a deficient number, since it is larger than the sum of its proper divisors (2893087).

396334013 is a wasteful number, since it uses less digits than its factorization.

396334013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893086.

The product of its (nonzero) digits is 17496, while the sum is 32.

The square root of 396334013 is about 19908.1393655962. The cubic root of 396334013 is about 734.5484526531.

The spelling of 396334013 in words is "three hundred ninety-six million, three hundred thirty-four thousand, thirteen".