677239 has 2 divisors, whose sum is σ = 677240. Its totient is φ = 677238.

The previous prime is 677233. The next prime is 677309. The reversal of 677239 is 932776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 677239 - 2³ = 677231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338619 + 338620.

It is an arithmetic number, because the mean of its divisors is an integer number (338620).

2⁶⁷⁷²³⁹ is an apocalyptic number.

677239 is a deficient number, since it is larger than the sum of its proper divisors (1).

677239 is an equidigital number, since it uses as much as digits as its factorization.

677239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 34.

The square root of 677239 is about 822.9453201763. The cubic root of 677239 is about 87.8174158543.

The spelling of 677239 in words is "six hundred seventy-seven thousand, two hundred thirty-nine".