396534587 has 8 divisors (see below), whose sum is σ = 413930352. Its totient is φ = 379490400.

The previous prime is 396534563. The next prime is 396534601. The reversal of 396534587 is 785435693.

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

It is a cyclic number.

It is not a de Polignac number, because 396534587 - 2⁸ = 396534331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396534557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85589 + ... + 90102.

It is an arithmetic number, because the mean of its divisors is an integer number (51741294).

Almost surely, 2^396534587 is an apocalyptic number.

396534587 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

396534587 is a deficient number, since it is larger than the sum of its proper divisors (17395765).

396534587 is a wasteful number, since it uses less digits than its factorization.

396534587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175789.

The product of its digits is 2721600, while the sum is 50.

The square root of 396534587 is about 19913.1762157623. The cubic root of 396534587 is about 734.6723435044.

The spelling of 396534587 in words is "three hundred ninety-six million, five hundred thirty-four thousand, five hundred eighty-seven".