417288138 has 8 divisors (see below), whose sum is σ = 834576288. Its totient is φ = 139096044.

The previous prime is 417288049. The next prime is 417288139. The reversal of 417288138 is 831882714.

It is a sphenic number, since it is the product of 3 distinct primes.

417288138 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 417288138.

It is not an unprimeable number, because it can be changed into a prime (417288139) 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, 34774006 + ... + 34774017.

It is an arithmetic number, because the mean of its divisors is an integer number (104322036).

Almost surely, 2^417288138 is an apocalyptic number.

417288138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

417288138 is a wasteful number, since it uses less digits than its factorization.

417288138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69548028.

The product of its digits is 86016, while the sum is 42.

The square root of 417288138 is about 20427.6317276379. The cubic root of 417288138 is about 747.2719485674.

The spelling of 417288138 in words is "four hundred seventeen million, two hundred eighty-eight thousand, one hundred thirty-eight".