417628 has 12 divisors (see below), whose sum is σ = 737352. Its totient is φ = 206960.

The previous prime is 417623. The next prime is 417631. The reversal of 417628 is 826714.

It is a junction number, because it is equal to n+sod(n) for n = 417596 and 417605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (417623) 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, 126 + ... + 922.

It is an arithmetic number, because the mean of its divisors is an integer number (61446).

2⁴¹⁷⁶²⁸ is an apocalyptic number.

It is an amenable number.

417628 is a deficient number, since it is larger than the sum of its proper divisors (319724).

417628 is a wasteful number, since it uses less digits than its factorization.

417628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 930 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 417628 is about 646.2414409491. The cubic root of 417628 is about 74.7474766395.

The spelling of 417628 in words is "four hundred seventeen thousand, six hundred twenty-eight".