396712851 has 8 divisors (see below), whose sum is σ = 531691920. Its totient is φ = 263104512.

The previous prime is 396712847. The next prime is 396712871. The reversal of 396712851 is 158217693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 396712851 - 2² = 396712847 is a prime.

It is a super-2 number, since 2×396712851² = 314762172297096402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396712801) 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 7 ways as a sum of consecutive naturals, for example, 342006 + ... + 343163.

It is an arithmetic number, because the mean of its divisors is an integer number (66461490).

Almost surely, 2^396712851 is an apocalyptic number.

396712851 is a deficient number, since it is larger than the sum of its proper divisors (134979069).

396712851 is a wasteful number, since it uses less digits than its factorization.

396712851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685365.

The product of its digits is 90720, while the sum is 42.

The square root of 396712851 is about 19917.6517441188. The cubic root of 396712851 is about 734.7824188206.

The spelling of 396712851 in words is "three hundred ninety-six million, seven hundred twelve thousand, eight hundred fifty-one".