84831966 has 24 divisors (see below), whose sum is σ = 183976104. Its totient is φ = 28250640.

The previous prime is 84831961. The next prime is 84831973. The reversal of 84831966 is 66913848.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84831961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29985 + ... + 32691.

It is an arithmetic number, because the mean of its divisors is an integer number (7665671).

Almost surely, 2^84831966 is an apocalyptic number.

84831966 is an abundant number, since it is smaller than the sum of its proper divisors (99144138).

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

84831966 is a wasteful number, since it uses less digits than its factorization.

84831966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456 (or 4453 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 84831966 is about 9210.4270259310. The cubic root of 84831966 is about 439.3930439762.

The spelling of 84831966 in words is "eighty-four million, eight hundred thirty-one thousand, nine hundred sixty-six".