2898820 has 12 divisors (see below), whose sum is σ = 6087564. Its totient is φ = 1159520.

The previous prime is 2898809. The next prime is 2898821. The reversal of 2898820 is 288982.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 2262016 = 798^2 + 1504^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2898820.

It is not an unprimeable number, because it can be changed into a prime (2898821) 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, 72451 + ... + 72490.

It is an arithmetic number, because the mean of its divisors is an integer number (507297).

2^2898820 is an apocalyptic number.

2898820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2898820 is an abundant number, since it is smaller than the sum of its proper divisors (3188744).

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

2898820 is a wasteful number, since it uses less digits than its factorization.

2898820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144950 (or 144948 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2898820 is about 1702.5921414126. The cubic root of 2898820 is about 142.5849703556.

The spelling of 2898820 in words is "two million, eight hundred ninety-eight thousand, eight hundred twenty".