632887 has 4 divisors (see below), whose sum is σ = 634480. Its totient is φ = 631296.

The previous prime is 632881. The next prime is 632897. The reversal of 632887 is 788236.

It is a happy number.

632887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632887 is a prime.

It is an Ulam number.

It is a Duffinian number.

632887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358 + ... + 1180.

It is an arithmetic number, because the mean of its divisors is an integer number (158620).

2⁶³²⁸⁸⁷ is an apocalyptic number.

632887 is a deficient number, since it is larger than the sum of its proper divisors (1593).

632887 is an equidigital number, since it uses as much as digits as its factorization.

632887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592.

The product of its digits is 16128, while the sum is 34.

The square root of 632887 is about 795.5419536392. The cubic root of 632887 is about 85.8569371936.

The spelling of 632887 in words is "six hundred thirty-two thousand, eight hundred eighty-seven".