84317417 has 4 divisors (see below), whose sum is σ = 84366036. Its totient is φ = 84268800.

The previous prime is 84317381. The next prime is 84317419. The reversal of 84317417 is 71471348.

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 35652841 + 48664576 = 5971^2 + 6976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84317417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84317419) 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, 21608 + ... + 25209.

It is an arithmetic number, because the mean of its divisors is an integer number (21091509).

Almost surely, 2^84317417 is an apocalyptic number.

It is an amenable number.

84317417 is a deficient number, since it is larger than the sum of its proper divisors (48619).

84317417 is a wasteful number, since it uses less digits than its factorization.

84317417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48618.

The product of its digits is 18816, while the sum is 35.

The square root of 84317417 is about 9182.4515789630. The cubic root of 84317417 is about 438.5028610098.

The spelling of 84317417 in words is "eighty-four million, three hundred seventeen thousand, four hundred seventeen".