2500944 has 20 divisors (see below), whose sum is σ = 6460896. Its totient is φ = 833632.

The previous prime is 2500937. The next prime is 2500957. The reversal of 2500944 is 4490052.

It is a super-2 number, since 2×2500944² = 12509441782272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26004 + ... + 26099.

2^2500944 is an apocalyptic number.

2500944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2500944 is an abundant number, since it is smaller than the sum of its proper divisors (3959952).

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

2500944 is a wasteful number, since it uses less digits than its factorization.

2500944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52114 (or 52108 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2500944 is about 1581.4373209204. The cubic root of 2500944 is about 135.7379614149.

Adding to 2500944 its reverse (4490052), we get a palindrome (6990996).

The spelling of 2500944 in words is "two million, five hundred thousand, nine hundred forty-four".