2506944 has 56 divisors (see below), whose sum is σ = 7242048. Its totient is φ = 759040.

The previous prime is 2506927. The next prime is 2506949. The reversal of 2506944 is 4496052.

It is not an unprimeable number, because it can be changed into a prime (2506949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519 + ... + 2705.

2^2506944 is an apocalyptic number.

2506944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2506944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3621024).

2506944 is an abundant number, since it is smaller than the sum of its proper divisors (4735104).

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

2506944 is a wasteful number, since it uses less digits than its factorization.

2506944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2506944 is about 1583.3331929824. Note that the first 3 decimals coincide. The cubic root of 2506944 is about 135.8464241046.

The spelling of 2506944 in words is "two million, five hundred six thousand, nine hundred forty-four".