2603968 has 56 divisors (see below), whose sum is σ = 5669280. Its totient is φ = 1182720.

The previous prime is 2603933. The next prime is 2603981. The reversal of 2603968 is 8693062.

It is a happy number.

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, 42658 + ... + 42718.

2^2603968 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 2603968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2834640).

2603968 is an abundant number, since it is smaller than the sum of its proper divisors (3065312).

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

2603968 is a wasteful number, since it uses less digits than its factorization.

2603968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2603968 is about 1613.6815051304. The cubic root of 2603968 is about 137.5768033729.

The spelling of 2603968 in words is "two million, six hundred three thousand, nine hundred sixty-eight".