2548764 has 36 divisors (see below), whose sum is σ = 6527976. Its totient is φ = 838368.

The previous prime is 2548757. The next prime is 2548769. The reversal of 2548764 is 4678452.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 4⁶ + 8⁵ + 7⁵ + 6⁴ + 4⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2548769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2562 + ... + 3414.

2^2548764 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 2548764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3263988).

2548764 is an abundant number, since it is smaller than the sum of its proper divisors (3979212).

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

2548764 is a wasteful number, since it uses less digits than its factorization.

2548764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 941 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2548764 is about 1596.4848887478. The cubic root of 2548764 is about 136.5976437766.

The spelling of 2548764 in words is "two million, five hundred forty-eight thousand, seven hundred sixty-four".