2898621 has 48 divisors (see below), whose sum is σ = 5091840. Its totient is φ = 1568160.

The previous prime is 2898613. The next prime is 2898661. The reversal of 2898621 is 1268982.

2898621 is a `hidden beast` number, since 28 + 9 + 8 + 621 = 666.

It is not a de Polignac number, because 2898621 - 2³ = 2898613 is a prime.

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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2898601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43230 + ... + 43296.

It is an arithmetic number, because the mean of its divisors is an integer number (106080).

2^2898621 is an apocalyptic number.

It is an amenable number.

2898621 is a deficient number, since it is larger than the sum of its proper divisors (2193219).

2898621 is a wasteful number, since it uses less digits than its factorization.

2898621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 123 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2898621 is about 1702.5337001070. The cubic root of 2898621 is about 142.5817075270.

The spelling of 2898621 in words is "two million, eight hundred ninety-eight thousand, six hundred twenty-one".