83090646 has 12 divisors (see below), whose sum is σ = 180029772. Its totient is φ = 27696876.

The previous prime is 83090587. The next prime is 83090671. The reversal of 83090646 is 64609038.

83090646 is a `hidden beast` number, since 8 + 3 + 0 + 9 + 0 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 83090646.

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 5 ways as a sum of consecutive naturals, for example, 2308056 + ... + 2308091.

It is an arithmetic number, because the mean of its divisors is an integer number (15002481).

Almost surely, 2^83090646 is an apocalyptic number.

83090646 is an abundant number, since it is smaller than the sum of its proper divisors (96939126).

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

83090646 is a wasteful number, since it uses less digits than its factorization.

83090646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616155 (or 4616152 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 83090646 is about 9115.4070671583. The cubic root of 83090646 is about 436.3658062629.

The spelling of 83090646 in words is "eighty-three million, ninety thousand, six hundred forty-six".