396556873 has 4 divisors (see below), whose sum is σ = 400263120. Its totient is φ = 392850628.

The previous prime is 396556871. The next prime is 396556891. The reversal of 396556873 is 378655693.

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 396556873 - 2¹ = 396556871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396556873.

It is not an unprimeable number, because it can be changed into a prime (396556871) 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, 1852963 + ... + 1853176.

It is an arithmetic number, because the mean of its divisors is an integer number (100065780).

Almost surely, 2^396556873 is an apocalyptic number.

It is an amenable number.

396556873 is a deficient number, since it is larger than the sum of its proper divisors (3706247).

396556873 is a wasteful number, since it uses less digits than its factorization.

396556873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706246.

The product of its digits is 4082400, while the sum is 52.

The square root of 396556873 is about 19913.7357871395. The cubic root of 396556873 is about 734.6861065755.

The spelling of 396556873 in words is "three hundred ninety-six million, five hundred fifty-six thousand, eight hundred seventy-three".