84955417 has 4 divisors (see below), whose sum is σ = 84973876. Its totient is φ = 84936960.

The previous prime is 84955411. The next prime is 84955421. The reversal of 84955417 is 71455948.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8637721 + 76317696 = 2939^2 + 8736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84955417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84955411) 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, 3913 + ... + 13609.

It is an arithmetic number, because the mean of its divisors is an integer number (21243469).

Almost surely, 2^84955417 is an apocalyptic number.

It is an amenable number.

84955417 is a deficient number, since it is larger than the sum of its proper divisors (18459).

84955417 is an equidigital number, since it uses as much as digits as its factorization.

84955417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18458.

The product of its digits is 201600, while the sum is 43.

The square root of 84955417 is about 9217.1262875150. The cubic root of 84955417 is about 439.6060816711.

The spelling of 84955417 in words is "eighty-four million, nine hundred fifty-five thousand, four hundred seventeen".