2554989 has 16 divisors (see below), whose sum is σ = 3569664. Its totient is φ = 1623600.

The previous prime is 2554973. The next prime is 2554991. The reversal of 2554989 is 9894552.

It is not a de Polignac number, because 2554989 - 2⁴ = 2554973 is a prime.

2554989 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2554989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7554 + ... + 7884.

It is an arithmetic number, because the mean of its divisors is an integer number (223104).

2^2554989 is an apocalyptic number.

It is an amenable number.

2554989 is a deficient number, since it is larger than the sum of its proper divisors (1014675).

2554989 is a wasteful number, since it uses less digits than its factorization.

2554989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its digits is 129600, while the sum is 42.

The square root of 2554989 is about 1598.4332954490. The cubic root of 2554989 is about 136.7087602508.

The spelling of 2554989 in words is "two million, five hundred fifty-four thousand, nine hundred eighty-nine".