2899404 has 36 divisors (see below), whose sum is σ = 7503496. Its totient is φ = 943488.

The previous prime is 2899373. The next prime is 2899417. The reversal of 2899404 is 4049982.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612 + ... + 2484.

2^2899404 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 2899404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3751748).

2899404 is an abundant number, since it is smaller than the sum of its proper divisors (4604092).

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

2899404 is a wasteful number, since it uses less digits than its factorization.

2899404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2899404 is about 1702.7636359754. The cubic root of 2899404 is about 142.5945448298.

The spelling of 2899404 in words is "two million, eight hundred ninety-nine thousand, four hundred four".