2549992 has 8 divisors (see below), whose sum is σ = 4781250. Its totient is φ = 1274992.

The previous prime is 2549951. The next prime is 2549993. The reversal of 2549992 is 2999452.

2549992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2515396 + 34596 = 1586^2 + 186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159367 + ... + 159382.

2^2549992 is an apocalyptic number.

It is an amenable number.

2549992 is a deficient number, since it is larger than the sum of its proper divisors (2231258).

2549992 is a wasteful number, since it uses less digits than its factorization.

2549992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318755 (or 318751 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 2549992 is about 1596.8694373680. The cubic root of 2549992 is about 136.6195779343.

The spelling of 2549992 in words is "two million, five hundred forty-nine thousand, nine hundred ninety-two".