83284809 has 16 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 52511760.

The previous prime is 83284801. The next prime is 83284811. The reversal of 83284809 is 90848238.

It is a happy number.

It is not a de Polignac number, because 83284809 - 2³ = 83284801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83284801) 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, 54364 + ... + 55874.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^83284809 is an apocalyptic number.

It is an amenable number.

83284809 is a deficient number, since it is larger than the sum of its proper divisors (33804471).

83284809 is a wasteful number, since it uses less digits than its factorization.

83284809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 83284809 is about 9126.0511175426. The cubic root of 83284809 is about 436.7054360880.

The spelling of 83284809 in words is "eighty-three million, two hundred eighty-four thousand, eight hundred nine".