2549982 has 8 divisors (see below), whose sum is σ = 5099976. Its totient is φ = 849992.

The previous prime is 2549951. The next prime is 2549993. The reversal of 2549982 is 2899452.

It is a sphenic number, since it is the product of 3 distinct primes.

2549982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2549982.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 212493 + ... + 212504.

It is an arithmetic number, because the mean of its divisors is an integer number (637497).

2^2549982 is an apocalyptic number.

2549982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2549982 is a wasteful number, since it uses less digits than its factorization.

2549982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425002.

The product of its digits is 51840, while the sum is 39.

The square root of 2549982 is about 1596.8663062386. The cubic root of 2549982 is about 136.6193993458.

The spelling of 2549982 in words is "two million, five hundred forty-nine thousand, nine hundred eighty-two".