2889660 has 48 divisors (see below), whose sum is σ = 8570016. Its totient is φ = 724992.

The previous prime is 2889641. The next prime is 2889683. The reversal of 2889660 is 669882.

It is a nialpdrome in base 12.

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, 397 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (178542).

2^2889660 is an apocalyptic number.

2889660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2889660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4285008).

2889660 is an abundant number, since it is smaller than the sum of its proper divisors (5680356).

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

2889660 is a wasteful number, since it uses less digits than its factorization.

2889660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2889660 is about 1699.8999970587. The cubic root of 2889660 is about 142.4346268315.

The spelling of 2889660 in words is "two million, eight hundred eighty-nine thousand, six hundred sixty".