2600728 has 32 divisors (see below), whose sum is σ = 5564160. Its totient is φ = 1128960.

The previous prime is 2600707. The next prime is 2600761. The reversal of 2600728 is 8270062.

It is a super-2 number, since 2×2600728² = 13527572259968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (173880).

2^2600728 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 2600728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782080).

2600728 is an abundant number, since it is smaller than the sum of its proper divisors (2963432).

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

2600728 is a wasteful number, since it uses less digits than its factorization.

2600728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2600728 is about 1612.6772770768. The cubic root of 2600728 is about 137.5197194859.

The spelling of 2600728 in words is "two million, six hundred thousand, seven hundred twenty-eight".