417998167 has 4 divisors (see below), whose sum is σ = 418296240. Its totient is φ = 417700096.

The previous prime is 417998143. The next prime is 417998173. The reversal of 417998167 is 761899714.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-417998167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (417998117) 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, 146923 + ... + 149740.

It is an arithmetic number, because the mean of its divisors is an integer number (104574060).

Almost surely, 2^417998167 is an apocalyptic number.

417998167 is a deficient number, since it is larger than the sum of its proper divisors (298073).

417998167 is a wasteful number, since it uses less digits than its factorization.

417998167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298072.

The product of its digits is 762048, while the sum is 52.

The square root of 417998167 is about 20445.0034727314. The cubic root of 417998167 is about 747.6955440439.

The spelling of 417998167 in words is "four hundred seventeen million, nine hundred ninety-eight thousand, one hundred sixty-seven".