2535664 has 30 divisors (see below), whose sum is σ = 5196840. Its totient is φ = 1198368.

The previous prime is 2535641. The next prime is 2535671. The reversal of 2535664 is 4665352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5557 + ... + 5995.

It is an arithmetic number, because the mean of its divisors is an integer number (173228).

2^2535664 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 2535664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2598420).

2535664 is an abundant number, since it is smaller than the sum of its proper divisors (2661176).

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

2535664 is a wasteful number, since it uses less digits than its factorization.

2535664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 460 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 2535664 is about 1592.3768398215. The cubic root of 2535664 is about 136.3632159448.

The spelling of 2535664 in words is "two million, five hundred thirty-five thousand, six hundred sixty-four".