2664576 has 80 divisors (see below), whose sum is σ = 7960590. Its totient is φ = 884736.

The previous prime is 2664553. The next prime is 2664577. The reversal of 2664576 is 6754662.

2664576 is a `hidden beast` number, since 2 + 6 + 645 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1498176 + 1166400 = 1224^2 + 1080^2 .

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

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2664576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664577) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10240 + ... + 10496.

2^2664576 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 2664576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3980295).

2664576 is an abundant number, since it is smaller than the sum of its proper divisors (5296014).

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

2664576 is an equidigital number, since it uses as much as digits as its factorization.

2664576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 262 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 2664576 is about 1632.3529030207. The cubic root of 2664576 is about 138.6360057128.

It can be divided in two parts, 2664 and 576, that added together give a triangular number (3240 = T₈₀).

The spelling of 2664576 in words is "two million, six hundred sixty-four thousand, five hundred seventy-six".