2597280 has 96 divisors (see below), whose sum is σ = 9362304. Its totient is φ = 592896.

The previous prime is 2597279. The next prime is 2597297. The reversal of 2597280 is 827952.

It is a tau number, because it is divible by the number of its divisors (96).

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, 2974 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (97524).

2^2597280 is an apocalyptic number.

2597280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2597280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4681152).

2597280 is an abundant number, since it is smaller than the sum of its proper divisors (6765024).

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

2597280 is a wasteful number, since it uses less digits than its factorization.

2597280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2597280 is about 1611.6078927580. The cubic root of 2597280 is about 137.4589188568.

The spelling of 2597280 in words is "two million, five hundred ninety-seven thousand, two hundred eighty".