2789982 has 24 divisors (see below), whose sum is σ = 6510504. Its totient is φ = 858384.

The previous prime is 2789951. The next prime is 2789993. The reversal of 2789982 is 2899872.

2789982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×2789982⁵ (a number of 33 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 5728 + ... + 6195.

It is an arithmetic number, because the mean of its divisors is an integer number (271271).

2^2789982 is an apocalyptic number.

2789982 is an abundant number, since it is smaller than the sum of its proper divisors (3720522).

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

2789982 is a wasteful number, since it uses less digits than its factorization.

2789982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11944 (or 11941 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2789982 is about 1670.3239206813. The cubic root of 2789982 is about 140.7776789147. Note that the first 3 decimals are identical.

It can be divided in two parts, 27 and 89982, that added together give a palindrome (90009).

The spelling of 2789982 in words is "two million, seven hundred eighty-nine thousand, nine hundred eighty-two".