1990079682 has 16 divisors (see below), whose sum is σ = 3980822112. Its totient is φ = 663249440.

The previous prime is 1990079681. The next prime is 1990079699. The reversal of 1990079682 is 2869700991.

It is a happy number.

1990079682 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1990079682² = 7920834281418442248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1990079681) 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, 16957 + ... + 65327.

It is an arithmetic number, because the mean of its divisors is an integer number (248801382).

Almost surely, 2^1990079682 is an apocalyptic number.

1990079682 is an abundant number, since it is smaller than the sum of its proper divisors (1990742430).

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

1990079682 is a wasteful number, since it uses less digits than its factorization.

1990079682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55233.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 1990079682 is about 44610.3091448602. The cubic root of 1990079682 is about 1257.8344598983.

The spelling of 1990079682 in words is "one billion, nine hundred ninety million, seventy-nine thousand, six hundred eighty-two".