2554944 has 56 divisors (see below), whose sum is σ = 7729728. Its totient is φ = 729600.

The previous prime is 2554921. The next prime is 2554963. The reversal of 2554944 is 4494552.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394 + ... + 2294.

2^2554944 is an apocalyptic number.

2554944 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 2554944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3864864).

2554944 is an abundant number, since it is smaller than the sum of its proper divisors (5174784).

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

2554944 is a wasteful number, since it uses less digits than its factorization.

2554944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923 (or 1913 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 2554944 is about 1598.4192191037. The cubic root of 2554944 is about 136.7079576471.

The spelling of 2554944 in words is "two million, five hundred fifty-four thousand, nine hundred forty-four".