84364623 has 24 divisors (see below), whose sum is σ = 142116000. Its totient is φ = 48206592.

The previous prime is 84364597. The next prime is 84364627. The reversal of 84364623 is 32646348.

It is a happy number.

84364623 is a `hidden beast` number, since 8 + 4 + 3 + 646 + 2 + 3 = 666.

It is not a de Polignac number, because 84364623 - 2⁸ = 84364367 is a prime.

It is a super-2 number, since 2×84364623² = 14234779227864258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84364627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10578 + ... + 16751.

It is an arithmetic number, because the mean of its divisors is an integer number (5921500).

Almost surely, 2^84364623 is an apocalyptic number.

84364623 is a deficient number, since it is larger than the sum of its proper divisors (57751377).

84364623 is a wasteful number, since it uses less digits than its factorization.

84364623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27356 (or 27339 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 84364623 is about 9185.0216657338. The cubic root of 84364623 is about 438.5846792350.

The spelling of 84364623 in words is "eighty-four million, three hundred sixty-four thousand, six hundred twenty-three".