84850417 has 4 divisors (see below), whose sum is σ = 89841636. Its totient is φ = 79859200.

The previous prime is 84850399. The next prime is 84850421. The reversal of 84850417 is 71405848.

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 57820816 + 27029601 = 7604^2 + 5199^2 .

It is a de Polignac number, because none of the positive numbers 2^k-84850417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84850487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2495584 + ... + 2495617.

It is an arithmetic number, because the mean of its divisors is an integer number (22460409).

Almost surely, 2^84850417 is an apocalyptic number.

It is an amenable number.

84850417 is a deficient number, since it is larger than the sum of its proper divisors (4991219).

84850417 is a wasteful number, since it uses less digits than its factorization.

84850417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991218.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 84850417 is about 9211.4286079848. The cubic root of 84850417 is about 439.4248977444.

The spelling of 84850417 in words is "eighty-four million, eight hundred fifty thousand, four hundred seventeen".