2489894384 has 20 divisors (see below), whose sum is σ = 4827522120. Its totient is φ = 1244082240.

The previous prime is 2489894359. The next prime is 2489894411. The reversal of 2489894384 is 4834989842.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29987 + ... + 76674.

It is an arithmetic number, because the mean of its divisors is an integer number (241376106).

Almost surely, 2^2489894384 is an apocalyptic number.

It is an amenable number.

2489894384 is a deficient number, since it is larger than the sum of its proper divisors (2337627736).

2489894384 is a wasteful number, since it uses less digits than its factorization.

2489894384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108128 (or 108122 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 59.

The square root of 2489894384 is about 49898.8415095982. The cubic root of 2489894384 is about 1355.3776145580.

The spelling of 2489894384 in words is "two billion, four hundred eighty-nine million, eight hundred ninety-four thousand, three hundred eighty-four".