2899456 has 40 divisors (see below), whose sum is σ = 6629040. Its totient is φ = 1241088.

The previous prime is 2899433. The next prime is 2899459. The reversal of 2899456 is 6549982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2899459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3180 + ... + 3988.

It is an arithmetic number, because the mean of its divisors is an integer number (165726).

2^2899456 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 2899456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3314520).

2899456 is an abundant number, since it is smaller than the sum of its proper divisors (3729584).

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

2899456 is an frugal number, since it uses more digits than its factorization.

2899456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 818 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 2899456 is about 1702.7789052017. The cubic root of 2899456 is about 142.5953972891.

The spelling of 2899456 in words is "two million, eight hundred ninety-nine thousand, four hundred fifty-six".