396479081 has 4 divisors (see below), whose sum is σ = 398911632. Its totient is φ = 394046532.

The previous prime is 396479071. The next prime is 396479147. The reversal of 396479081 is 180974693.

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 a cyclic number.

It is not a de Polignac number, because 396479081 - 2¹⁰ = 396478057 is a prime.

It is a super-2 number, since 2×396479081² = 314391323341209122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396479021) 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, 1216031 + ... + 1216356.

It is an arithmetic number, because the mean of its divisors is an integer number (99727908).

Almost surely, 2^396479081 is an apocalyptic number.

It is an amenable number.

396479081 is a deficient number, since it is larger than the sum of its proper divisors (2432551).

396479081 is a wasteful number, since it uses less digits than its factorization.

396479081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432550.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 396479081 is about 19911.7824666703. The cubic root of 396479081 is about 734.6380626562.

The spelling of 396479081 in words is "three hundred ninety-six million, four hundred seventy-nine thousand, eighty-one".