1982798 has 8 divisors (see below), whose sum is σ = 3018792. Its totient is φ = 976536.

The previous prime is 1982797. The next prime is 1982803. The reversal of 1982798 is 8972891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982797) 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, 7265 + ... + 7532.

It is an arithmetic number, because the mean of its divisors is an integer number (377349).

2^1982798 is an apocalyptic number.

1982798 is a deficient number, since it is larger than the sum of its proper divisors (1035994).

1982798 is a wasteful number, since it uses less digits than its factorization.

1982798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14866.

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

The square root of 1982798 is about 1408.1186029593. The cubic root of 1982798 is about 125.6298450315.

The spelling of 1982798 in words is "one million, nine hundred eighty-two thousand, seven hundred ninety-eight".