396427593 has 16 divisors (see below), whose sum is σ = 555768000. Its totient is φ = 250985280.

The previous prime is 396427561. The next prime is 396427601. The reversal of 396427593 is 395724693.

It is a happy number.

It is not a de Polignac number, because 396427593 - 2⁵ = 396427561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (396427523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32043 + ... + 42656.

It is an arithmetic number, because the mean of its divisors is an integer number (34735500).

Almost surely, 2^396427593 is an apocalyptic number.

It is an amenable number.

396427593 is a deficient number, since it is larger than the sum of its proper divisors (159340407).

396427593 is a wasteful number, since it uses less digits than its factorization.

396427593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74792.

The product of its digits is 1224720, while the sum is 48.

The square root of 396427593 is about 19910.4895218576. The cubic root of 396427593 is about 734.6062604891.

The spelling of 396427593 in words is "three hundred ninety-six million, four hundred twenty-seven thousand, five hundred ninety-three".