2598630 has 64 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 635904.

The previous prime is 2598613. The next prime is 2598653. The reversal of 2598630 is 368952.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2598591 and 2598600.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 26742 + ... + 26838.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^2598630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2598630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2598630 is an abundant number, since it is smaller than the sum of its proper divisors (4175130).

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

2598630 is a wasteful number, since it uses less digits than its factorization.

2598630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2598630 is about 1612.0266747173. The cubic root of 2598630 is about 137.4827306135.

The spelling of 2598630 in words is "two million, five hundred ninety-eight thousand, six hundred thirty".