84219846 has 16 divisors (see below), whose sum is σ = 170572800. Its totient is φ = 27717768.

The previous prime is 84219841. The next prime is 84219847. The reversal of 84219846 is 64891248.

It is a super-3 number, since 3×84219846³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84219798 and 84219807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84219841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88366 + ... + 89313.

It is an arithmetic number, because the mean of its divisors is an integer number (10660800).

Almost surely, 2^84219846 is an apocalyptic number.

84219846 is an abundant number, since it is smaller than the sum of its proper divisors (86352954).

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

84219846 is a wasteful number, since it uses less digits than its factorization.

84219846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177763.

The product of its digits is 110592, while the sum is 42.

The square root of 84219846 is about 9177.1371352944. The cubic root of 84219846 is about 438.3336524870. Note that the first 3 decimals are identical.

The spelling of 84219846 in words is "eighty-four million, two hundred nineteen thousand, eight hundred forty-six".