396056187 has 48 divisors (see below), whose sum is σ = 607807200. Its totient is φ = 248209920.

The previous prime is 396056179. The next prime is 396056189. The reversal of 396056187 is 781650693.

It is a happy number.

396056187 is a `hidden beast` number, since 3 + 9 + 6 + 0 + 561 + 87 = 666.

It is not a de Polignac number, because 396056187 - 2³ = 396056179 is a prime.

It is a super-3 number, since 3×396056187³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (396056189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1729389 + ... + 1729617.

It is an arithmetic number, because the mean of its divisors is an integer number (12662650).

Almost surely, 2^396056187 is an apocalyptic number.

396056187 is a deficient number, since it is larger than the sum of its proper divisors (211751013).

396056187 is a wasteful number, since it uses less digits than its factorization.

396056187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 396056187 is about 19901.1604435520. The cubic root of 396056187 is about 734.3767756034.

The spelling of 396056187 in words is "three hundred ninety-six million, fifty-six thousand, one hundred eighty-seven".