2869664 has 48 divisors (see below), whose sum is σ = 6749568. Its totient is φ = 1174272.

The previous prime is 2869663. The next prime is 2869693. The reversal of 2869664 is 4669682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874 + ... + 5430.

It is an arithmetic number, because the mean of its divisors is an integer number (140616).

2^2869664 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 2869664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3374784).

2869664 is an abundant number, since it is smaller than the sum of its proper divisors (3879904).

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

2869664 is a wasteful number, since it uses less digits than its factorization.

2869664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 589 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 2869664 is about 1694.0082644427. The cubic root of 2869664 is about 142.1053242269.

The spelling of 2869664 in words is "two million, eight hundred sixty-nine thousand, six hundred sixty-four".