2801982 has 8 divisors (see below), whose sum is σ = 5603976. Its totient is φ = 933992.

The previous prime is 2801977. The next prime is 2802011. The reversal of 2801982 is 2891082.

2801982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2801982 is an admirable number.

It is a super-2 number, since 2×2801982² = 15702206256648, which contains 22 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 3 ways as a sum of consecutive naturals, for example, 233493 + ... + 233504.

It is an arithmetic number, because the mean of its divisors is an integer number (700497).

2^2801982 is an apocalyptic number.

2801982 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.

2801982 is a wasteful number, since it uses less digits than its factorization.

2801982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467002.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 2801982 is about 1673.9121840766. The cubic root of 2801982 is about 140.9792233357.

The spelling of 2801982 in words is "two million, eight hundred one thousand, nine hundred eighty-two".