396913 has 4 divisors (see below), whose sum is σ = 433008. Its totient is φ = 360820.

The previous prime is 396887. The next prime is 396919. The reversal of 396913 is 319693.

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, and also an emirpimes, since its reverse is a distinct semiprime: 319693 = 11 ⋅29063.

It is a cyclic number.

It is not a de Polignac number, because 396913 - 2⁵ = 396881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396919) 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, 18031 + ... + 18052.

It is an arithmetic number, because the mean of its divisors is an integer number (108252).

2³⁹⁶⁹¹³ is an apocalyptic number.

It is an amenable number.

396913 is a deficient number, since it is larger than the sum of its proper divisors (36095).

396913 is a wasteful number, since it uses less digits than its factorization.

396913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36094.

The product of its digits is 4374, while the sum is 31.

The square root of 396913 is about 630.0103173758. The cubic root of 396913 is about 73.4905968503.

The spelling of 396913 in words is "three hundred ninety-six thousand, nine hundred thirteen".