2989859938 has 32 divisors (see below), whose sum is σ = 5139986544. Its totient is φ = 1292132352.

The previous prime is 2989859923. The next prime is 2989859959. The reversal of 2989859938 is 8399589892.

It can be written as a sum of positive squares in 8 ways, for example, as 2195578449 + 794281489 = 46857^2 + 28183^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69906 + ... + 104242.

Almost surely, 2^2989859938 is an apocalyptic number.

2989859938 is a deficient number, since it is larger than the sum of its proper divisors (2150126606).

2989859938 is a wasteful number, since it uses less digits than its factorization.

2989859938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34566.

The product of its digits is 100776960, while the sum is 70.

The square root of 2989859938 is about 54679.6117213720. The cubic root of 2989859938 is about 1440.6227916285.

The spelling of 2989859938 in words is "two billion, nine hundred eighty-nine million, eight hundred fifty-nine thousand, nine hundred thirty-eight".