676387 has 2 divisors, whose sum is σ = 676388. Its totient is φ = 676386.

The previous prime is 676373. The next prime is 676391. The reversal of 676387 is 783676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676387 - 2⁷ = 676259 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (676337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338193 + 338194.

It is an arithmetic number, because the mean of its divisors is an integer number (338194).

2⁶⁷⁶³⁸⁷ is an apocalyptic number.

676387 is a deficient number, since it is larger than the sum of its proper divisors (1).

676387 is an equidigital number, since it uses as much as digits as its factorization.

676387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 676387 is about 822.4275044039. The cubic root of 676387 is about 87.7805741897.

The spelling of 676387 in words is "six hundred seventy-six thousand, three hundred eighty-seven".