396996565 has 8 divisors (see below), whose sum is σ = 544452480. Its totient is φ = 272226192.

The previous prime is 396996547. The next prime is 396996599. The reversal of 396996565 is 565699693.

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

It is not a de Polignac number, because 396996565 - 2⁷ = 396996437 is a prime.

It is a super-3 number, since 3×396996565³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5671345 + ... + 5671414.

It is an arithmetic number, because the mean of its divisors is an integer number (68056560).

Almost surely, 2^396996565 is an apocalyptic number.

396996565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

396996565 is a deficient number, since it is larger than the sum of its proper divisors (147455915).

396996565 is a wasteful number, since it uses less digits than its factorization.

396996565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11342771.

The product of its digits is 11809800, while the sum is 58.

The square root of 396996565 is about 19924.7726461307. The cubic root of 396996565 is about 734.9575399292.

It can be divided in two parts, 39699 and 6565, that added together give a palindrome (46264).

The spelling of 396996565 in words is "three hundred ninety-six million, nine hundred ninety-six thousand, five hundred sixty-five".