1799982 has 40 divisors (see below), whose sum is σ = 4146912. Its totient is φ = 583200.

The previous prime is 1799969. The next prime is 1799983. The reversal of 1799982 is 2899971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1799983) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6507 + ... + 6777.

2^1799982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1799982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073456).

1799982 is an abundant number, since it is smaller than the sum of its proper divisors (2346930).

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

1799982 is a wasteful number, since it uses less digits than its factorization.

1799982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 317 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 1799982 is about 1341.6340782792. The cubic root of 1799982 is about 121.6436344300.

It can be divided in two parts, 17999 and 82, that added together give a palindrome (18081).

The spelling of 1799982 in words is "one million, seven hundred ninety-nine thousand, nine hundred eighty-two".