2530428 has 12 divisors (see below), whose sum is σ = 5904360. Its totient is φ = 843472.

The previous prime is 2530427. The next prime is 2530441. The reversal of 2530428 is 8240352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2530398 and 2530407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105423 + ... + 105446.

It is an arithmetic number, because the mean of its divisors is an integer number (492030).

2^2530428 is an apocalyptic number.

It is an amenable number.

2530428 is an abundant number, since it is smaller than the sum of its proper divisors (3373932).

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

2530428 is a wasteful number, since it uses less digits than its factorization.

2530428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210876 (or 210874 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2530428 is about 1590.7319070164. The cubic root of 2530428 is about 136.2692905380.

The spelling of 2530428 in words is "two million, five hundred thirty thousand, four hundred twenty-eight".