1798982 has 4 divisors (see below), whose sum is σ = 2698476. Its totient is φ = 899490.

The previous prime is 1798967. The next prime is 1798987. The reversal of 1798982 is 2898971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2898971 = 379 ⋅7649.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449744 + ... + 449747.

It is an arithmetic number, because the mean of its divisors is an integer number (674619).

2^1798982 is an apocalyptic number.

1798982 is a deficient number, since it is larger than the sum of its proper divisors (899494).

1798982 is an equidigital number, since it uses as much as digits as its factorization.

1798982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899493.

The product of its digits is 72576, while the sum is 44.

The square root of 1798982 is about 1341.2613466435. The cubic root of 1798982 is about 121.6211034328.

The spelling of 1798982 in words is "one million, seven hundred ninety-eight thousand, nine hundred eighty-two".