2530386 has 32 divisors (see below), whose sum is σ = 5748480. Its totient is φ = 824688.

The previous prime is 2530373. The next prime is 2530403. The reversal of 2530386 is 6830352.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (179640).

2^2530386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2530386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2874240).

2530386 is an abundant number, since it is smaller than the sum of its proper divisors (3218094).

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

2530386 is a wasteful number, since it uses less digits than its factorization.

2530386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2530386 is about 1590.7187054913. The cubic root of 2530386 is about 136.2685366021.

It can be divided in two parts, 2530 and 386, that added together give a square (2916 = 54²).

The spelling of 2530386 in words is "two million, five hundred thirty thousand, three hundred eighty-six".