84219448 has 8 divisors (see below), whose sum is σ = 157911480. Its totient is φ = 42109720.

The previous prime is 84219439. The next prime is 84219461. The reversal of 84219448 is 84491248.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×84219448³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84219448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5263708 + ... + 5263723.

It is an arithmetic number, because the mean of its divisors is an integer number (19738935).

Almost surely, 2^84219448 is an apocalyptic number.

It is an amenable number.

84219448 is a deficient number, since it is larger than the sum of its proper divisors (73692032).

84219448 is a wasteful number, since it uses less digits than its factorization.

84219448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527437 (or 10527433 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 84219448 is about 9177.1154509464. The cubic root of 84219448 is about 438.3329620042.

The spelling of 84219448 in words is "eighty-four million, two hundred nineteen thousand, four hundred forty-eight".