396236613 has 4 divisors (see below), whose sum is σ = 528315488. Its totient is φ = 264157740.

The previous prime is 396236563. The next prime is 396236623. The reversal of 396236613 is 316632693.

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.

It is not a de Polignac number, because 396236613 - 2¹⁰ = 396235589 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 (396236623) 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, 66039433 + ... + 66039438.

It is an arithmetic number, because the mean of its divisors is an integer number (132078872).

Almost surely, 2^396236613 is an apocalyptic number.

It is an amenable number.

396236613 is a deficient number, since it is larger than the sum of its proper divisors (132078875).

396236613 is a wasteful number, since it uses less digits than its factorization.

396236613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132078874.

The product of its digits is 104976, while the sum is 39.

The square root of 396236613 is about 19905.6929796478. The cubic root of 396236613 is about 734.4882753964.

The spelling of 396236613 in words is "three hundred ninety-six million, two hundred thirty-six thousand, six hundred thirteen".