2980840 has 16 divisors (see below), whose sum is σ = 6706980. Its totient is φ = 1192320.

The previous prime is 2980829. The next prime is 2980843. The reversal of 2980840 is 480892.

It can be written as a sum of positive squares in 2 ways, for example, as 2979076 + 1764 = 1726^2 + 42^2 .

It is not an unprimeable number, because it can be changed into a prime (2980843) 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, 37221 + ... + 37300.

2^2980840 is an apocalyptic number.

2980840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2980840 is an abundant number, since it is smaller than the sum of its proper divisors (3726140).

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

2980840 is a wasteful number, since it uses less digits than its factorization.

2980840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74532 (or 74528 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2980840 is about 1726.5109324878. The cubic root of 2980840 is about 143.9172621413.

The spelling of 2980840 in words is "two million, nine hundred eighty thousand, eight hundred forty".