83883986 has 4 divisors (see below), whose sum is σ = 125825982. Its totient is φ = 41941992.

The previous prime is 83883971. The next prime is 83883997. The reversal of 83883986 is 68938838.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 80442961 + 3441025 = 8969^2 + 1855^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20970995 + ... + 20970998.

Almost surely, 2^83883986 is an apocalyptic number.

83883986 is a deficient number, since it is larger than the sum of its proper divisors (41941996).

83883986 is a wasteful number, since it uses less digits than its factorization.

83883986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41941995.

The product of its digits is 1990656, while the sum is 53.

The square root of 83883986 is about 9158.8201205177. The cubic root of 83883986 is about 437.7501998531.

The spelling of 83883986 in words is "eighty-three million, eight hundred eighty-three thousand, nine hundred eighty-six".