83489886 has 32 divisors (see below), whose sum is σ = 187891200. Its totient is φ = 27476280.

The previous prime is 83489849. The next prime is 83489891. The reversal of 83489886 is 68898438.

83489886 is a `hidden beast` number, since 83 + 489 + 8 + 86 = 666.

It is a super-2 number, since 2×83489886² = 13941122128585992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5520 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (5871600).

Almost surely, 2^83489886 is an apocalyptic number.

83489886 is an abundant number, since it is smaller than the sum of its proper divisors (104401314).

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

83489886 is a wasteful number, since it uses less digits than its factorization.

83489886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19661 (or 19655 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 83489886 is about 9137.2800110317. The cubic root of 83489886 is about 437.0635839665.

The spelling of 83489886 in words is "eighty-three million, four hundred eighty-nine thousand, eight hundred eighty-six".