2389800816 has 60 divisors (see below), whose sum is σ = 7202599768. Its totient is φ = 735322752.

The previous prime is 2389800811. The next prime is 2389800821. The reversal of 2389800816 is 6180089832.

It is an interprime number because it is at equal distance from previous prime (2389800811) and next prime (2389800821).

It is a super-2 number, since 2×2389800816² = 11422295880308531712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389800811) 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 11 ways as a sum of consecutive naturals, for example, 636430 + ... + 640173.

Almost surely, 2^2389800816 is an apocalyptic number.

2389800816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2389800816 is an abundant number, since it is smaller than the sum of its proper divisors (4812798952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2389800816 is a wasteful number, since it uses less digits than its factorization.

2389800816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276630 (or 1276621 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2389800816 is about 48885.5890421707. The cubic root of 2389800816 is about 1336.9666322501.

The spelling of 2389800816 in words is "two billion, three hundred eighty-nine million, eight hundred thousand, eight hundred sixteen".