2989830 has 16 divisors (see below), whose sum is σ = 7175664. Its totient is φ = 797280.

The previous prime is 2989823. The next prime is 2989849. The reversal of 2989830 is 389892.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49801 + ... + 49860.

It is an arithmetic number, because the mean of its divisors is an integer number (448479).

2^2989830 is an apocalyptic number.

2989830 is an abundant number, since it is smaller than the sum of its proper divisors (4185834).

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

2989830 is a wasteful number, since it uses less digits than its factorization.

2989830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99671.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2989830 is about 1729.1124891111. The cubic root of 2989830 is about 144.0617983208.

The spelling of 2989830 in words is "two million, nine hundred eighty-nine thousand, eight hundred thirty".