2603634 has 32 divisors (see below), whose sum is σ = 5750784. Its totient is φ = 779280.

The previous prime is 2603621. The next prime is 2603639. The reversal of 2603634 is 4363062.

It is not an unprimeable number, because it can be changed into a prime (2603639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6607 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (179712).

2^2603634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2603634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875392).

2603634 is an abundant number, since it is smaller than the sum of its proper divisors (3147150).

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

2603634 is a wasteful number, since it uses less digits than its factorization.

2603634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2603634 is about 1613.5780117490. The cubic root of 2603634 is about 137.5709209892.

Adding to 2603634 its reverse (4363062), we get a palindrome (6966696).

The spelling of 2603634 in words is "two million, six hundred three thousand, six hundred thirty-four".