2685004 has 48 divisors (see below), whose sum is σ = 5824000. Its totient is φ = 1079568.

The previous prime is 2684999. The next prime is 2685017. The reversal of 2685004 is 4005862.

It is a self number, because there is not a number n which added to its sum of digits gives 2685004.

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, 26017 + ... + 26119.

2^2685004 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 2685004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2912000).

2685004 is an abundant number, since it is smaller than the sum of its proper divisors (3138996).

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

2685004 is a wasteful number, since it uses less digits than its factorization.

2685004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2685004 is about 1638.5981813733. The cubic root of 2685004 is about 138.9893889731.

The spelling of 2685004 in words is "two million, six hundred eighty-five thousand, four".