387635 has 4 divisors (see below), whose sum is σ = 465168. Its totient is φ = 310104.

The previous prime is 387631. The next prime is 387641. The reversal of 387635 is 536783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 387635 - 2² = 387631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38759 + ... + 38768.

It is an arithmetic number, because the mean of its divisors is an integer number (116292).

2³⁸⁷⁶³⁵ is an apocalyptic number.

387635 is a deficient number, since it is larger than the sum of its proper divisors (77533).

387635 is an equidigital number, since it uses as much as digits as its factorization.

387635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77532.

The product of its digits is 15120, while the sum is 32.

The square root of 387635 is about 622.6034050662. The cubic root of 387635 is about 72.9134521939.

The spelling of 387635 in words is "three hundred eighty-seven thousand, six hundred thirty-five".