2530392 has 32 divisors (see below), whose sum is σ = 6436800. Its totient is φ = 828704.

The previous prime is 2530373. The next prime is 2530403. The reversal of 2530392 is 2930352.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (201150).

2^2530392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2530392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3218400).

2530392 is an abundant number, since it is smaller than the sum of its proper divisors (3906408).

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

2530392 is a wasteful number, since it uses less digits than its factorization.

2530392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 2530392 is about 1590.7205914302. The cubic root of 2530392 is about 136.2686443077.

The spelling of 2530392 in words is "two million, five hundred thirty thousand, three hundred ninety-two".