417117852 has 36 divisors (see below), whose sum is σ = 1056935880. Its totient is φ = 138702432.

The previous prime is 417117851. The next prime is 417117889. The reversal of 417117852 is 258711714.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (417117851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1258 + ... + 28910.

It is an arithmetic number, because the mean of its divisors is an integer number (29359330).

Almost surely, 2^417117852 is an apocalyptic number.

It is an amenable number.

417117852 is an abundant number, since it is smaller than the sum of its proper divisors (639818028).

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

417117852 is a wasteful number, since it uses less digits than its factorization.

417117852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28082 (or 28077 counting only the distinct ones).

The product of its digits is 15680, while the sum is 36.

The square root of 417117852 is about 20423.4632714435. The cubic root of 417117852 is about 747.1702863883.

The spelling of 417117852 in words is "four hundred seventeen million, one hundred seventeen thousand, eight hundred fifty-two".