84423136 has 24 divisors (see below), whose sum is σ = 189952560. Its totient is φ = 36181248.

The previous prime is 84423121. The next prime is 84423151. The reversal of 84423136 is 63132448.

It is an interprime number because it is at equal distance from previous prime (84423121) and next prime (84423151).

It is a junction number, because it is equal to n+sod(n) for n = 84423098 and 84423107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188221 + ... + 188668.

It is an arithmetic number, because the mean of its divisors is an integer number (7914690).

Almost surely, 2^84423136 is an apocalyptic number.

It is an amenable number.

84423136 is an abundant number, since it is smaller than the sum of its proper divisors (105529424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84423136 is a wasteful number, since it uses less digits than its factorization.

84423136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376906 (or 376898 counting only the distinct ones).

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

The square root of 84423136 is about 9188.2063537994. The cubic root of 84423136 is about 438.6860525898.

The spelling of 84423136 in words is "eighty-four million, four hundred twenty-three thousand, one hundred thirty-six".