84444459 has 16 divisors (see below), whose sum is σ = 123801600. Its totient is φ = 50772960.

The previous prime is 84444439. The next prime is 84444463. The reversal of 84444459 is 95444448.

It is not a de Polignac number, because 84444459 - 2⁷ = 84444331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84444459.

It is not an unprimeable number, because it can be changed into a prime (84444439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5884 + ... + 14265.

It is an arithmetic number, because the mean of its divisors is an integer number (7737600).

Almost surely, 2^84444459 is an apocalyptic number.

84444459 is a deficient number, since it is larger than the sum of its proper divisors (39357141).

84444459 is a wasteful number, since it uses less digits than its factorization.

84444459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20290.

The product of its digits is 368640, while the sum is 42.

The square root of 84444459 is about 9189.3666267050. The cubic root of 84444459 is about 438.7229828901.

The spelling of 84444459 in words is "eighty-four million, four hundred forty-four thousand, four hundred fifty-nine".