2989834890 has 32 divisors (see below), whose sum is σ = 8200690560. Its totient is φ = 683390784.

The previous prime is 2989834843. The next prime is 2989834891. The reversal of 2989834890 is 984389892.

It is a happy number.

It is a super-2 number, since 2×2989834890² = 17878225338922624200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2989834891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7118445 + ... + 7118864.

It is an arithmetic number, because the mean of its divisors is an integer number (256271580).

Almost surely, 2^2989834890 is an apocalyptic number.

2989834890 is an abundant number, since it is smaller than the sum of its proper divisors (5210855670).

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

2989834890 is a wasteful number, since it uses less digits than its factorization.

2989834890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14237326.

The product of its (nonzero) digits is 8957952, while the sum is 60.

The square root of 2989834890 is about 54679.3826775687. The cubic root of 2989834890 is about 1440.6187686061.

The spelling of 2989834890 in words is "two billion, nine hundred eighty-nine million, eight hundred thirty-four thousand, eight hundred ninety".