83891248 has 40 divisors (see below), whose sum is σ = 190300320. Its totient is φ = 35074560.

The previous prime is 83891219. The next prime is 83891263. The reversal of 83891248 is 84219838.

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, 4543 + ... + 13726.

It is an arithmetic number, because the mean of its divisors is an integer number (4757508).

Almost surely, 2^83891248 is an apocalyptic number.

It is an amenable number.

83891248 is an abundant number, since it is smaller than the sum of its proper divisors (106409072).

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

83891248 is a wasteful number, since it uses less digits than its factorization.

83891248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18325 (or 18319 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 83891248 is about 9159.2165603833. The cubic root of 83891248 is about 437.7628317843.

The spelling of 83891248 in words is "eighty-three million, eight hundred ninety-one thousand, two hundred forty-eight".