677217 has 12 divisors (see below), whose sum is σ = 959280. Its totient is φ = 423792.

The previous prime is 677213. The next prime is 677227. The reversal of 677217 is 712776.

It is a happy number.

It is not a de Polignac number, because 677217 - 2² = 677213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6159 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (79940).

2⁶⁷⁷²¹⁷ is an apocalyptic number.

It is an amenable number.

677217 is a deficient number, since it is larger than the sum of its proper divisors (282063).

677217 is a wasteful number, since it uses less digits than its factorization.

677217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 131 counting only the distinct ones).

The product of its digits is 4116, while the sum is 30.

The square root of 677217 is about 822.9319534445. The cubic root of 677217 is about 87.8164649324.

The spelling of 677217 in words is "six hundred seventy-seven thousand, two hundred seventeen".