1791982 has 16 divisors (see below), whose sum is σ = 2800512. Its totient is φ = 859320.

The previous prime is 1791973. The next prime is 1791989. The reversal of 1791982 is 2891971.

It is a super-2 number, since 2×1791982² = 6422398976648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5607 + ... + 5917.

It is an arithmetic number, because the mean of its divisors is an integer number (175032).

2^1791982 is an apocalyptic number.

1791982 is a deficient number, since it is larger than the sum of its proper divisors (1008530).

1791982 is a wasteful number, since it uses less digits than its factorization.

1791982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its digits is 9072, while the sum is 37.

The square root of 1791982 is about 1338.6493192767. The cubic root of 1791982 is about 121.4631521876.

The spelling of 1791982 in words is "one million, seven hundred ninety-one thousand, nine hundred eighty-two".