801982 has 8 divisors (see below), whose sum is σ = 1212552. Its totient is φ = 397800.

The previous prime is 801973. The next prime is 801989. The reversal of 801982 is 289108.

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

It is a self number, because there is not a number n which added to its sum of digits gives 801982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269 + ... + 1792.

It is an arithmetic number, because the mean of its divisors is an integer number (151569).

2⁸⁰¹⁹⁸² is an apocalyptic number.

801982 is a deficient number, since it is larger than the sum of its proper divisors (410570).

801982 is a wasteful number, since it uses less digits than its factorization.

801982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 801982 is about 895.5344772816. The cubic root of 801982 is about 92.9083770235.

It can be divided in two parts, 80198 and 2, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 801982 in words is "eight hundred one thousand, nine hundred eighty-two".