2980644 has 48 divisors (see below), whose sum is σ = 7761600. Its totient is φ = 884736.

The previous prime is 2980583. The next prime is 2980669. The reversal of 2980644 is 4460892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3492 + ... + 4260.

It is an arithmetic number, because the mean of its divisors is an integer number (161700).

2^2980644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2980644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3880800).

2980644 is an abundant number, since it is smaller than the sum of its proper divisors (4780956).

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

2980644 is a wasteful number, since it uses less digits than its factorization.

2980644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2980644 is about 1726.4541696784. The cubic root of 2980644 is about 143.9141077283.

The spelling of 2980644 in words is "two million, nine hundred eighty thousand, six hundred forty-four".