2904990 has 32 divisors (see below), whose sum is σ = 7606656. Its totient is φ = 704160.

The previous prime is 2904989. The next prime is 2905027. The reversal of 2904990 is 994092.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 4072 + ... + 4731.

It is an arithmetic number, because the mean of its divisors is an integer number (237708).

2^2904990 is an apocalyptic number.

2904990 is an abundant number, since it is smaller than the sum of its proper divisors (4701666).

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

2904990 is a wasteful number, since it uses less digits than its factorization.

2904990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824.

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

The square root of 2904990 is about 1704.4031213302. The cubic root of 2904990 is about 142.6860604355.

The spelling of 2904990 in words is "two million, nine hundred four thousand, nine hundred ninety".