2890998 has 64 divisors (see below), whose sum is σ = 7280640. Its totient is φ = 842400.

The previous prime is 2890997. The next prime is 2890999. The reversal of 2890998 is 8990982.

It is an interprime number because it is at equal distance from previous prime (2890997) and next prime (2890999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18336 + ... + 18492.

It is an arithmetic number, because the mean of its divisors is an integer number (113760).

2^2890998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2890998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3640320).

2890998 is an abundant number, since it is smaller than the sum of its proper divisors (4389642).

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

2890998 is a wasteful number, since it uses less digits than its factorization.

2890998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 2890998 is about 1700.2935040751. The cubic root of 2890998 is about 142.4566072864.

The spelling of 2890998 in words is "two million, eight hundred ninety thousand, nine hundred ninety-eight".