2549889 has 12 divisors (see below), whose sum is σ = 3699072. Its totient is φ = 1692600.

The previous prime is 2549887. The next prime is 2549893. The reversal of 2549889 is 9889452.

It is not a de Polignac number, because 2549889 - 2¹ = 2549887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2549887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2344 + ... + 3254.

It is an arithmetic number, because the mean of its divisors is an integer number (308256).

2^2549889 is an apocalyptic number.

It is an amenable number.

2549889 is a deficient number, since it is larger than the sum of its proper divisors (1149183).

2549889 is a wasteful number, since it uses less digits than its factorization.

2549889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1225 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 2549889 is about 1596.8371864407. The cubic root of 2549889 is about 136.6177384506.

The spelling of 2549889 in words is "two million, five hundred forty-nine thousand, eight hundred eighty-nine".