84533281 has 12 divisors (see below), whose sum is σ = 98524272. Its totient is φ = 72317448.

The previous prime is 84533243. The next prime is 84533321. The reversal of 84533281 is 18233548.

It is a happy number.

It is not a de Polignac number, because 84533281 - 2⁹ = 84532769 is a prime.

It is a super-2 number, since 2×84533281² = 14291751193249922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84533681) 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, 30166 + ... + 32848.

It is an arithmetic number, because the mean of its divisors is an integer number (8210356).

Almost surely, 2^84533281 is an apocalyptic number.

It is an amenable number.

84533281 is a deficient number, since it is larger than the sum of its proper divisors (13990991).

84533281 is a wasteful number, since it uses less digits than its factorization.

84533281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340 (or 3333 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 84533281 is about 9194.1982249677. The cubic root of 84533281 is about 438.8767510135.

The spelling of 84533281 in words is "eighty-four million, five hundred thirty-three thousand, two hundred eighty-one".