84220596 has 18 divisors (see below), whose sum is σ = 212891042. Its totient is φ = 28073520.

The previous prime is 84220589. The next prime is 84220607. The reversal of 84220596 is 69502248.

It is a happy number.

84220596 is a `hidden beast` number, since 8 + 42 + 20 + 596 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65610000 + 18610596 = 8100^2 + 4314^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2339461 = 84220596 / (8 + 4 + 2 + 2 + 0 + 5 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 84220596.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1169695 + ... + 1169766.

Almost surely, 2^84220596 is an apocalyptic number.

It is an amenable number.

84220596 is an abundant number, since it is smaller than the sum of its proper divisors (128670446).

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

84220596 is a wasteful number, since it uses less digits than its factorization.

84220596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339471 (or 2339466 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 84220596 is about 9177.1779976200. The cubic root of 84220596 is about 438.3349536422.

The spelling of 84220596 in words is "eighty-four million, two hundred twenty thousand, five hundred ninety-six".