336644641 has 4 divisors (see below), whose sum is σ = 354362800. Its totient is φ = 318926484.

The previous prime is 336644639. The next prime is 336644653. The reversal of 336644641 is 146446633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 336644641 - 2¹ = 336644639 is a prime.

It is a super-2 number, since 2×336644641² = 226659228628037762, which contains 22 as substring.

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 336644641.

It is not an unprimeable number, because it can be changed into a prime (336644681) 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, 8859051 + ... + 8859088.

It is an arithmetic number, because the mean of its divisors is an integer number (88590700).

Almost surely, 2^336644641 is an apocalyptic number.

It is an amenable number.

336644641 is a deficient number, since it is larger than the sum of its proper divisors (17718159).

336644641 is a wasteful number, since it uses less digits than its factorization.

336644641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718158.

The product of its digits is 124416, while the sum is 37.

The square root of 336644641 is about 18347.8783787118. The cubic root of 336644641 is about 695.6496459966.

The spelling of 336644641 in words is "three hundred thirty-six million, six hundred forty-four thousand, six hundred forty-one".