2638230 has 64 divisors (see below), whose sum is σ = 7672320. Its totient is φ = 566784.

The previous prime is 2638201. The next prime is 2638231. The reversal of 2638230 is 328362.

It is a self number, because there is not a number n which added to its sum of digits gives 2638230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3201 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (119880).

2^2638230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2638230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3836160).

2638230 is an abundant number, since it is smaller than the sum of its proper divisors (5034090).

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

2638230 is a wasteful number, since it uses less digits than its factorization.

2638230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2638230 is about 1624.2629097532. The cubic root of 2638230 is about 138.1775701970.

The spelling of 2638230 in words is "two million, six hundred thirty-eight thousand, two hundred thirty".