3238891294864 has 45 divisors (see below), whose sum is σ = 6305665807609. Its totient is φ = 1611660179840.

The previous prime is 3238891294843. The next prime is 3238891294883. The reversal of 3238891294864 is 4684921988323.

The square root of 3238891294864 is 1799692.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 657753440400 + 2581137854464 = 811020^2 + 1606592^2 .

It is a super-3 number, since 3×3238891294864³ (a number of 39 digits) contains 333 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 3238891294864.

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 8 ways as a sum of consecutive naturals, for example, 1677311979 + ... + 1677313909.

Almost surely, 2^{3238891294864} is an apocalyptic number.

3238891294864 is the 1799692-nd square number.

It is an amenable number.

3238891294864 is a deficient number, since it is larger than the sum of its proper divisors (3066774512745).

3238891294864 is an frugal number, since it uses more digits than its factorization.

3238891294864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336 (or 2166 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 67.

The spelling of 3238891294864 in words is "three trillion, two hundred thirty-eight billion, eight hundred ninety-one million, two hundred ninety-four thousand, eight hundred sixty-four".