2549998 has 16 divisors (see below), whose sum is σ = 4308480. Its totient is φ = 1121400.

The previous prime is 2549993. The next prime is 2550001. The reversal of 2549998 is 8999452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188 + ... + 2551.

It is an arithmetic number, because the mean of its divisors is an integer number (269280).

2^2549998 is an apocalyptic number.

2549998 is a deficient number, since it is larger than the sum of its proper divisors (1758482).

2549998 is a wasteful number, since it uses less digits than its factorization.

2549998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783.

The product of its digits is 233280, while the sum is 46.

The square root of 2549998 is about 1596.8713160427. The cubic root of 2549998 is about 136.6196850871.

The spelling of 2549998 in words is "two million, five hundred forty-nine thousand, nine hundred ninety-eight".