417028 has 12 divisors (see below), whose sum is σ = 736092. Its totient is φ = 206720.

The previous prime is 417023. The next prime is 417037. The reversal of 417028 is 820714.

It can be written as a sum of positive squares in 2 ways, for example, as 82944 + 334084 = 288^2 + 578^2 .

It is not an unprimeable number, because it can be changed into a prime (417023) by changing a digit.

417028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (61341).

2⁴¹⁷⁰²⁸ is an apocalyptic number.

It is an amenable number.

417028 is a deficient number, since it is larger than the sum of its proper divisors (319064).

417028 is a wasteful number, since it uses less digits than its factorization.

417028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 417028 is about 645.7770513111. Note that the first 3 decimals coincide. The cubic root of 417028 is about 74.7116632834.

The spelling of 417028 in words is "four hundred seventeen thousand, twenty-eight".