84413623 has 12 divisors (see below), whose sum is σ = 99544800. Its totient is φ = 71360352.

The previous prime is 84413597. The next prime is 84413627. The reversal of 84413623 is 32631448.

It is not a de Polignac number, because 84413623 - 2⁵ = 84413591 is a prime.

It is a super-2 number, since 2×84413623² = 14251319495972258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84413627) 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 11 ways as a sum of consecutive naturals, for example, 8223 + ... + 15376.

It is an arithmetic number, because the mean of its divisors is an integer number (8295400).

Almost surely, 2^84413623 is an apocalyptic number.

84413623 is a deficient number, since it is larger than the sum of its proper divisors (15131177).

84413623 is a wasteful number, since it uses less digits than its factorization.

84413623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23686 (or 23679 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 84413623 is about 9187.6886647296. The cubic root of 84413623 is about 438.6695745746.

The spelling of 84413623 in words is "eighty-four million, four hundred thirteen thousand, six hundred twenty-three".