84291233 has 4 divisors (see below), whose sum is σ = 90775188. Its totient is φ = 77807280.

The previous prime is 84291227. The next prime is 84291241. The reversal of 84291233 is 33219248.

It is a happy number.

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 9935104 + 74356129 = 3152^2 + 8623^2 .

It is a cyclic number.

It is not a de Polignac number, because 84291233 - 2⁶ = 84291169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84291233.

It is not an unprimeable number, because it can be changed into a prime (84291133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241958 + ... + 3241983.

It is an arithmetic number, because the mean of its divisors is an integer number (22693797).

Almost surely, 2^84291233 is an apocalyptic number.

It is an amenable number.

84291233 is a deficient number, since it is larger than the sum of its proper divisors (6483955).

84291233 is a wasteful number, since it uses less digits than its factorization.

84291233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6483954.

The product of its digits is 10368, while the sum is 32.

The square root of 84291233 is about 9181.0257052249. The cubic root of 84291233 is about 438.4574652975.

The spelling of 84291233 in words is "eighty-four million, two hundred ninety-one thousand, two hundred thirty-three".