387633 has 8 divisors (see below), whose sum is σ = 520768. Its totient is φ = 256464.

The previous prime is 387631. The next prime is 387641. The reversal of 387633 is 336783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 387633 - 2¹ = 387631 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 387633.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (65096).

2³⁸⁷⁶³³ is an apocalyptic number.

It is an amenable number.

387633 is a deficient number, since it is larger than the sum of its proper divisors (133135).

387633 is a wasteful number, since it uses less digits than its factorization.

387633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its digits is 9072, while the sum is 30.

The square root of 387633 is about 622.6017989052. The cubic root of 387633 is about 72.9133267949.

The spelling of 387633 in words is "three hundred eighty-seven thousand, six hundred thirty-three".