84423064 has 64 divisors (see below), whose sum is σ = 183824640. Its totient is φ = 35967360.

The previous prime is 84423049. The next prime is 84423067. The reversal of 84423064 is 46032448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84423067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106879 + ... + 107665.

It is an arithmetic number, because the mean of its divisors is an integer number (2872260).

Almost surely, 2^84423064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84423064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91912320).

84423064 is an abundant number, since it is smaller than the sum of its proper divisors (99401576).

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

84423064 is a wasteful number, since it uses less digits than its factorization.

84423064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 84423064 is about 9188.2024357325. The cubic root of 84423064 is about 438.6859278791.

The spelling of 84423064 in words is "eighty-four million, four hundred twenty-three thousand, sixty-four".