2603872 has 12 divisors (see below), whose sum is σ = 5126436. Its totient is φ = 1301920.

The previous prime is 2603857. The next prime is 2603879. The reversal of 2603872 is 2783062.

It is a self number, because there is not a number n which added to its sum of digits gives 2603872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2603879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40654 + ... + 40717.

It is an arithmetic number, because the mean of its divisors is an integer number (427203).

2^2603872 is an apocalyptic number.

It is an amenable number.

2603872 is a deficient number, since it is larger than the sum of its proper divisors (2522564).

2603872 is an equidigital number, since it uses as much as digits as its factorization.

2603872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81381 (or 81373 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2603872 is about 1613.6517592095. The cubic root of 2603872 is about 137.5751126794.

The spelling of 2603872 in words is "two million, six hundred three thousand, eight hundred seventy-two".