396353587 has 4 divisors (see below), whose sum is σ = 452975536. Its totient is φ = 339731640.

The previous prime is 396353561. The next prime is 396353599. The reversal of 396353587 is 785353693.

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 396353587 - 2¹¹ = 396351539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396353587.

It is not an unprimeable number, because it can be changed into a prime (396353387) 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, 28310964 + ... + 28310977.

It is an arithmetic number, because the mean of its divisors is an integer number (113243884).

Almost surely, 2^396353587 is an apocalyptic number.

396353587 is a deficient number, since it is larger than the sum of its proper divisors (56621949).

396353587 is an equidigital number, since it uses as much as digits as its factorization.

396353587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56621948.

The product of its digits is 2041200, while the sum is 49.

The square root of 396353587 is about 19908.6309674975. The cubic root of 396353587 is about 734.5605449913.

The spelling of 396353587 in words is "three hundred ninety-six million, three hundred fifty-three thousand, five hundred eighty-seven".