83184420 has 48 divisors (see below), whose sum is σ = 254092608. Its totient is φ = 20165760.

The previous prime is 83184397. The next prime is 83184421. The reversal of 83184420 is 2448138.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (83184421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62359 + ... + 63678.

It is an arithmetic number, because the mean of its divisors is an integer number (5293596).

Almost surely, 2^83184420 is an apocalyptic number.

It is an amenable number.

83184420 is an abundant number, since it is smaller than the sum of its proper divisors (170908188).

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

83184420 is a wasteful number, since it uses less digits than its factorization.

83184420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126060 (or 126058 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 83184420 is about 9120.5493255615. The cubic root of 83184420 is about 436.5299016818.

The spelling of 83184420 in words is "eighty-three million, one hundred eighty-four thousand, four hundred twenty".