1982356086 has 16 divisors (see below), whose sum is σ = 3990970368. Its totient is φ = 656409000.

The previous prime is 1982356069. The next prime is 1982356093. The reversal of 1982356086 is 6806532891.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093110 + ... + 1094921.

It is an arithmetic number, because the mean of its divisors is an integer number (249435648).

Almost surely, 2^1982356086 is an apocalyptic number.

1982356086 is an abundant number, since it is smaller than the sum of its proper divisors (2008614282).

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

1982356086 is a wasteful number, since it uses less digits than its factorization.

1982356086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188187.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1982356086 is about 44523.6575990787. The cubic root of 1982356086 is about 1256.2051113190.

The spelling of 1982356086 in words is "one billion, nine hundred eighty-two million, three hundred fifty-six thousand, eighty-six".