84233845 has 4 divisors (see below), whose sum is σ = 101080620. Its totient is φ = 67387072.

The previous prime is 84233837. The next prime is 84233869. The reversal of 84233845 is 54833248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11881809 + 72352036 = 3447^2 + 8506^2 .

It is a cyclic number.

It is not a de Polignac number, because 84233845 - 2³ = 84233837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423380 + ... + 8423389.

It is an arithmetic number, because the mean of its divisors is an integer number (25270155).

Almost surely, 2^84233845 is an apocalyptic number.

It is an amenable number.

84233845 is a deficient number, since it is larger than the sum of its proper divisors (16846775).

84233845 is a wasteful number, since it uses less digits than its factorization.

84233845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16846774.

The product of its digits is 92160, while the sum is 37.

The square root of 84233845 is about 9177.8998142277. The cubic root of 84233845 is about 438.3579377085.

It can be divided in two parts, 84233 and 845, that added together give a triangular number (85078 = T₄₁₂).

The spelling of 84233845 in words is "eighty-four million, two hundred thirty-three thousand, eight hundred forty-five".