2818980 has 36 divisors (see below), whose sum is σ = 8551452. Its totient is φ = 751680.

The previous prime is 2818967. The next prime is 2818987. The reversal of 2818980 is 898182.

It can be written as a sum of positive squares in 2 ways, for example, as 2143296 + 675684 = 1464^2 + 822^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2818987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7651 + ... + 8010.

2^2818980 is an apocalyptic number.

2818980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2818980 is an abundant number, since it is smaller than the sum of its proper divisors (5732472).

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

2818980 is a wasteful number, since it uses less digits than its factorization.

2818980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15676 (or 15671 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 2818980 is about 1678.9818343270. The cubic root of 2818980 is about 141.2637285322.

It can be divided in two parts, 281 and 8980, that added together give a cube (9261 = 21³).

The spelling of 2818980 in words is "two million, eight hundred eighteen thousand, nine hundred eighty".