2603428 has 24 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 1256640.

The previous prime is 2603401. The next prime is 2603429. The reversal of 2603428 is 8243062.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2603429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25225 + ... + 25327.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^2603428 is an apocalyptic number.

It is an amenable number.

2603428 is a deficient number, since it is larger than the sum of its proper divisors (2114012).

2603428 is a wasteful number, since it uses less digits than its factorization.

2603428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2603428 is about 1613.5141771921. The cubic root of 2603428 is about 137.5672926813.

It can be divided in two parts, 26034 and 28, that added together give a palindrome (26062).

The spelling of 2603428 in words is "two million, six hundred three thousand, four hundred twenty-eight".