84281233 has 4 divisors (see below), whose sum is σ = 84722688. Its totient is φ = 83839780.

The previous prime is 84281209. The next prime is 84281251. The reversal of 84281233 is 33218248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84281233 - 2¹³ = 84273041 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84281195 and 84281204.

It is not an unprimeable number, because it can be changed into a prime (84281203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220441 + ... + 220822.

It is an arithmetic number, because the mean of its divisors is an integer number (21180672).

Almost surely, 2^84281233 is an apocalyptic number.

It is an amenable number.

84281233 is a deficient number, since it is larger than the sum of its proper divisors (441455).

84281233 is a wasteful number, since it uses less digits than its factorization.

84281233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441454.

The product of its digits is 9216, while the sum is 31.

The square root of 84281233 is about 9180.4810876119. The cubic root of 84281233 is about 438.4401256213.

The spelling of 84281233 in words is "eighty-four million, two hundred eighty-one thousand, two hundred thirty-three".