387307 has 2 divisors, whose sum is σ = 387308. Its totient is φ = 387306.

The previous prime is 387281. The next prime is 387313. The reversal of 387307 is 703783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387307 - 2¹⁵ = 354539 is a prime.

387307 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (387397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193653 + 193654.

It is an arithmetic number, because the mean of its divisors is an integer number (193654).

2³⁸⁷³⁰⁷ is an apocalyptic number.

387307 is a deficient number, since it is larger than the sum of its proper divisors (1).

387307 is an equidigital number, since it uses as much as digits as its factorization.

387307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 387307 is about 622.3399392615. The cubic root of 387307 is about 72.8928809856.

The spelling of 387307 in words is "three hundred eighty-seven thousand, three hundred seven".