2456244 has 108 divisors (see below), whose sum is σ = 7766304. Its totient is φ = 664848.

The previous prime is 2456243. The next prime is 2456249. The reversal of 2456244 is 4426542.

It is a tau number, because it is divible by the number of its divisors (108).

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

Its product of digits (7680) is a multiple of the sum of its prime factors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456243) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 129267 + ... + 129285.

2^2456244 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 2456244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3883152).

2456244 is an abundant number, since it is smaller than the sum of its proper divisors (5310060).

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

2456244 is a wasteful number, since it uses less digits than its factorization.

2456244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 31 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 2456244 is about 1567.2408876749. The cubic root of 2456244 is about 134.9244021187.

The spelling of 2456244 in words is "two million, four hundred fifty-six thousand, two hundred forty-four".