2890404 has 60 divisors (see below), whose sum is σ = 8253168. Its totient is φ = 874800.

The previous prime is 2890399. The next prime is 2890411. The reversal of 2890404 is 4040982.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3159 + ... + 3969.

2^2890404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2890404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4126584).

2890404 is an abundant number, since it is smaller than the sum of its proper divisors (5362764).

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

2890404 is a wasteful number, since it uses less digits than its factorization.

2890404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2890404 is about 1700.1188193770. The cubic root of 2890404 is about 142.4468499845.

The spelling of 2890404 in words is "two million, eight hundred ninety thousand, four hundred four".