387707 has 2 divisors, whose sum is σ = 387708. Its totient is φ = 387706.

The previous prime is 387683. The next prime is 387721. The reversal of 387707 is 707783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387707 - 2¹² = 383611 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (387727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193853 + 193854.

It is an arithmetic number, because the mean of its divisors is an integer number (193854).

2³⁸⁷⁷⁰⁷ is an apocalyptic number.

387707 is a deficient number, since it is larger than the sum of its proper divisors (1).

387707 is an equidigital number, since it uses as much as digits as its factorization.

387707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 387707 is about 622.6612241018. The cubic root of 387707 is about 72.9179662716.

The spelling of 387707 in words is "three hundred eighty-seven thousand, seven hundred seven".