84283505 has 4 divisors (see below), whose sum is σ = 101140212. Its totient is φ = 67426800.

The previous prime is 84283499. The next prime is 84283531. The reversal of 84283505 is 50538248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52519009 + 31764496 = 7247^2 + 5636^2 .

It is not a de Polignac number, because 84283505 - 2¹² = 84279409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8428346 + ... + 8428355.

It is an arithmetic number, because the mean of its divisors is an integer number (25285053).

Almost surely, 2^84283505 is an apocalyptic number.

It is an amenable number.

84283505 is a deficient number, since it is larger than the sum of its proper divisors (16856707).

84283505 is a wasteful number, since it uses less digits than its factorization.

84283505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16856706.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 84283505 is about 9180.6048275699. The cubic root of 84283505 is about 438.4440653161. Note that the first 3 decimals are identical.

The spelling of 84283505 in words is "eighty-four million, two hundred eighty-three thousand, five hundred five".