84452109 has 8 divisors (see below), whose sum is σ = 128688960. Its totient is φ = 48258336.

The previous prime is 84452099. The next prime is 84452111. The reversal of 84452109 is 90125448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84452109 - 2⁵ = 84452077 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 84452109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84452149) 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, 2010744 + ... + 2010785.

It is an arithmetic number, because the mean of its divisors is an integer number (16086120).

Almost surely, 2^84452109 is an apocalyptic number.

It is an amenable number.

84452109 is a deficient number, since it is larger than the sum of its proper divisors (44236851).

84452109 is a wasteful number, since it uses less digits than its factorization.

84452109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021539.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 84452109 is about 9189.7828592410. The cubic root of 84452109 is about 438.7362307673.

The spelling of 84452109 in words is "eighty-four million, four hundred fifty-two thousand, one hundred nine".