2563484 has 72 divisors (see below), whose sum is σ = 6032880. Its totient is φ = 940800.

The previous prime is 2563453. The next prime is 2563489. The reversal of 2563484 is 4843652.

Its product of digits (23040) is a multiple of the sum of its prime divisors (90).

It is a self number, because there is not a number n which added to its sum of digits gives 2563484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62504 + ... + 62544.

It is an arithmetic number, because the mean of its divisors is an integer number (83790).

2^2563484 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 2563484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3016440).

2563484 is an abundant number, since it is smaller than the sum of its proper divisors (3469396).

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

2563484 is a wasteful number, since it uses less digits than its factorization.

2563484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 90 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2563484 is about 1601.0883798217. The cubic root of 2563484 is about 136.8601054802.

The spelling of 2563484 in words is "two million, five hundred sixty-three thousand, four hundred eighty-four".