655417 has 8 divisors (see below), whose sum is σ = 756800. Its totient is φ = 555984.

The previous prime is 655399. The next prime is 655439. The reversal of 655417 is 714556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655417 - 2⁷ = 655289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 1192.

It is an arithmetic number, because the mean of its divisors is an integer number (94600).

2⁶⁵⁵⁴¹⁷ is an apocalyptic number.

It is an amenable number.

655417 is a deficient number, since it is larger than the sum of its proper divisors (101383).

655417 is a wasteful number, since it uses less digits than its factorization.

655417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975.

The product of its digits is 4200, while the sum is 28.

The square root of 655417 is about 809.5782852819. The cubic root of 655417 is about 86.8638819166.

The spelling of 655417 in words is "six hundred fifty-five thousand, four hundred seventeen".