417205028 has 6 divisors (see below), whose sum is σ = 730108806. Its totient is φ = 208602512.

The previous prime is 417204961. The next prime is 417205031. The reversal of 417205028 is 820502714.

It can be written as a sum of positive squares in only one way, i.e., 222546724 + 194658304 = 14918^2 + 13952^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52150625 + ... + 52150632.

It is an arithmetic number, because the mean of its divisors is an integer number (121684801).

Almost surely, 2^417205028 is an apocalyptic number.

It is an amenable number.

417205028 is a deficient number, since it is larger than the sum of its proper divisors (312903778).

417205028 is a wasteful number, since it uses less digits than its factorization.

417205028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104301261 (or 104301259 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 417205028 is about 20425.5973719253. The cubic root of 417205028 is about 747.2223346519. Note that the first 3 decimals are identical.

The spelling of 417205028 in words is "four hundred seventeen million, two hundred five thousand, twenty-eight".