2990021304 has 32 divisors (see below), whose sum is σ = 7477384320. Its totient is φ = 996362976.

The previous prime is 2990021303. The next prime is 2990021311. The reversal of 2990021304 is 4031200992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990021303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66987 + ... + 102309.

It is an arithmetic number, because the mean of its divisors is an integer number (233668260).

Almost surely, 2^2990021304 is an apocalyptic number.

2990021304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2990021304 is an abundant number, since it is smaller than the sum of its proper divisors (4487363016).

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

2990021304 is a wasteful number, since it uses less digits than its factorization.

2990021304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38859 (or 38855 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2990021304 is about 54681.0872605876. The cubic root of 2990021304 is about 1440.6487084897.

The spelling of 2990021304 in words is "two billion, nine hundred ninety million, twenty-one thousand, three hundred four".