396079287 has 4 divisors (see below), whose sum is σ = 528105720. Its totient is φ = 264052856.

The previous prime is 396079279. The next prime is 396079291. The reversal of 396079287 is 782970693.

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 396079287 - 2³ = 396079279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396079687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66013212 + ... + 66013217.

It is an arithmetic number, because the mean of its divisors is an integer number (132026430).

Almost surely, 2^396079287 is an apocalyptic number.

396079287 is a deficient number, since it is larger than the sum of its proper divisors (132026433).

396079287 is a wasteful number, since it uses less digits than its factorization.

396079287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132026432.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 396079287 is about 19901.7408032564. The cubic root of 396079287 is about 734.3910528484.

The spelling of 396079287 in words is "three hundred ninety-six million, seventy-nine thousand, two hundred eighty-seven".