332864639 has 8 divisors (see below), whose sum is σ = 355451520. Its totient is φ = 311018400.

The previous prime is 332864593. The next prime is 332864657. The reversal of 332864639 is 936468233.

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 332864639 - 2⁸ = 332864383 is a prime.

It is a super-2 number, since 2×332864639² = 221597735793200642, 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 332864639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332864689) by changing a digit.

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, 184232 + ... + 186029.

It is an arithmetic number, because the mean of its divisors is an integer number (44431440).

Almost surely, 2^332864639 is an apocalyptic number.

332864639 is a deficient number, since it is larger than the sum of its proper divisors (22586881).

332864639 is a wasteful number, since it uses less digits than its factorization.

332864639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370321.

The product of its digits is 559872, while the sum is 44.

The square root of 332864639 is about 18244.5783453606. The cubic root of 332864639 is about 693.0361474176.

The spelling of 332864639 in words is "three hundred thirty-two million, eight hundred sixty-four thousand, six hundred thirty-nine".