84463809 has 8 divisors (see below), whose sum is σ = 116251392. Its totient is φ = 54492720.

The previous prime is 84463807. The next prime is 84463849. The reversal of 84463809 is 90836448.

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

It is not a de Polignac number, because 84463809 - 2¹ = 84463807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84463807) 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, 454014 + ... + 454199.

It is an arithmetic number, because the mean of its divisors is an integer number (14531424).

Almost surely, 2^84463809 is an apocalyptic number.

It is an amenable number.

84463809 is a deficient number, since it is larger than the sum of its proper divisors (31787583).

84463809 is a wasteful number, since it uses less digits than its factorization.

84463809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908247.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 84463809 is about 9190.4194137156. The cubic root of 84463809 is about 438.7564906792.

The spelling of 84463809 in words is "eighty-four million, four hundred sixty-three thousand, eight hundred nine".