84439112 has 8 divisors (see below), whose sum is σ = 158323350. Its totient is φ = 42219552.

The previous prime is 84439109. The next prime is 84439129. The reversal of 84439112 is 21193448.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57668836 + 26770276 = 7594^2 + 5174^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277437 + ... + 5277452.

Almost surely, 2^84439112 is an apocalyptic number.

It is an amenable number.

84439112 is a deficient number, since it is larger than the sum of its proper divisors (73884238).

84439112 is a wasteful number, since it uses less digits than its factorization.

84439112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10554895 (or 10554891 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 84439112 is about 9189.0756880113. The cubic root of 84439112 is about 438.7137227550.

The spelling of 84439112 in words is "eighty-four million, four hundred thirty-nine thousand, one hundred twelve".