396631027 has 4 divisors (see below), whose sum is σ = 427141120. Its totient is φ = 366120936.

The previous prime is 396631003. The next prime is 396631049. The reversal of 396631027 is 720136693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396631027 - 2¹¹ = 396628979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396631427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15255027 + ... + 15255052.

It is an arithmetic number, because the mean of its divisors is an integer number (106785280).

Almost surely, 2^396631027 is an apocalyptic number.

396631027 is a deficient number, since it is larger than the sum of its proper divisors (30510093).

396631027 is a wasteful number, since it uses less digits than its factorization.

396631027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30510092.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 396631027 is about 19915.5975807908. The cubic root of 396631027 is about 734.7318978368.

The spelling of 396631027 in words is "three hundred ninety-six million, six hundred thirty-one thousand, twenty-seven".