396543027 has 6 divisors (see below), whose sum is σ = 528770028. Its totient is φ = 264339024.

The previous prime is 396543019. The next prime is 396543047. The reversal of 396543027 is 720345693.

It is not a de Polignac number, because 396543027 - 2³ = 396543019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396543047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28743 + ... + 40239.

It is an arithmetic number, because the mean of its divisors is an integer number (88128338).

Almost surely, 2^396543027 is an apocalyptic number.

396543027 is a deficient number, since it is larger than the sum of its proper divisors (132227001).

396543027 is an frugal number, since it uses more digits than its factorization.

396543027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22997 (or 11500 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 396543027 is about 19913.3881346194. The cubic root of 396543027 is about 734.6775558203.

The spelling of 396543027 in words is "three hundred ninety-six million, five hundred forty-three thousand, twenty-seven".