417668 has 6 divisors (see below), whose sum is σ = 730926. Its totient is φ = 208832.

The previous prime is 417649. The next prime is 417671. The reversal of 417668 is 866714.

It can be written as a sum of positive squares in only one way, i.e., 293764 + 123904 = 542^2 + 352^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52205 + ... + 52212.

It is an arithmetic number, because the mean of its divisors is an integer number (121821).

2⁴¹⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

417668 is a deficient number, since it is larger than the sum of its proper divisors (313258).

417668 is a wasteful number, since it uses less digits than its factorization.

417668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104421 (or 104419 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 417668 is about 646.2723883936. The cubic root of 417668 is about 74.7498629767.

The spelling of 417668 in words is "four hundred seventeen thousand, six hundred sixty-eight".