84424823 has 8 divisors (see below), whose sum is σ = 97480992. Its totient is φ = 71617536.

The previous prime is 84424807. The next prime is 84424883. The reversal of 84424823 is 32842448.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84424823 - 2⁴ = 84424807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84424883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61490 + ... + 62847.

It is an arithmetic number, because the mean of its divisors is an integer number (12185124).

Almost surely, 2^84424823 is an apocalyptic number.

84424823 is a deficient number, since it is larger than the sum of its proper divisors (13056169).

84424823 is a wasteful number, since it uses less digits than its factorization.

84424823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124441.

The product of its digits is 49152, while the sum is 35.

The square root of 84424823 is about 9188.2981558067. The cubic root of 84424823 is about 438.6889746105.

The spelling of 84424823 in words is "eighty-four million, four hundred twenty-four thousand, eight hundred twenty-three".