2660504 has 48 divisors (see below), whose sum is σ = 6340680. Its totient is φ = 1034880.

The previous prime is 2660473. The next prime is 2660509. The reversal of 2660504 is 4050662.

It is a self number, because there is not a number n which added to its sum of digits gives 2660504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4004 + ... + 4620.

2^2660504 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 2660504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3170340).

2660504 is an abundant number, since it is smaller than the sum of its proper divisors (3680176).

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

2660504 is a wasteful number, since it uses less digits than its factorization.

2660504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2660504 is about 1631.1051468253. The cubic root of 2660504 is about 138.5653486140.

The spelling of 2660504 in words is "two million, six hundred sixty thousand, five hundred four".