84330447 has 8 divisors (see below), whose sum is σ = 116067840. Its totient is φ = 54406680.

The previous prime is 84330427. The next prime is 84330457. The reversal of 84330447 is 74403348.

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

It is not a de Polignac number, because 84330447 - 2¹⁶ = 84264911 is a prime.

It is a super-2 number, since 2×84330447² = 14223248582439618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84330427) 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, 453297 + ... + 453482.

It is an arithmetic number, because the mean of its divisors is an integer number (14508480).

Almost surely, 2^84330447 is an apocalyptic number.

84330447 is a deficient number, since it is larger than the sum of its proper divisors (31737393).

84330447 is a wasteful number, since it uses less digits than its factorization.

84330447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906813.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 84330447 is about 9183.1610570653. The cubic root of 84330447 is about 438.5254478734.

The spelling of 84330447 in words is "eighty-four million, three hundred thirty thousand, four hundred forty-seven".