1982086 has 4 divisors (see below), whose sum is σ = 2973132. Its totient is φ = 991042.

The previous prime is 1982083. The next prime is 1982087. The reversal of 1982086 is 6802891.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1982086² = 7857329822792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495520 + ... + 495523.

It is an arithmetic number, because the mean of its divisors is an integer number (743283).

2^1982086 is an apocalyptic number.

1982086 is a deficient number, since it is larger than the sum of its proper divisors (991046).

1982086 is an equidigital number, since it uses as much as digits as its factorization.

1982086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991045.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1982086 is about 1407.8657606462. The cubic root of 1982086 is about 125.6148058195.

The spelling of 1982086 in words is "one million, nine hundred eighty-two thousand, eighty-six".