2990904 has 64 divisors (see below), whose sum is σ = 9004800. Its totient is φ = 808704.

The previous prime is 2990899. The next prime is 2990917. The reversal of 2990904 is 4090992.

It is a happy number.

2990904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2724 + ... + 3660.

It is an arithmetic number, because the mean of its divisors is an integer number (140700).

2^2990904 is an apocalyptic number.

2990904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2990904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4502400).

2990904 is an abundant number, since it is smaller than the sum of its proper divisors (6013896).

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

2990904 is a wasteful number, since it uses less digits than its factorization.

2990904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2990904 is about 1729.4230251734. The cubic root of 2990904 is about 144.0790461074.

The spelling of 2990904 in words is "two million, nine hundred ninety thousand, nine hundred four".