632663 has 4 divisors (see below), whose sum is σ = 649800. Its totient is φ = 615528.

The previous prime is 632647. The next prime is 632669. The reversal of 632663 is 366236.

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 632663 - 2⁴ = 632647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632669) 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, 8513 + ... + 8586.

It is an arithmetic number, because the mean of its divisors is an integer number (162450).

2⁶³²⁶⁶³ is an apocalyptic number.

632663 is a deficient number, since it is larger than the sum of its proper divisors (17137).

632663 is a wasteful number, since it uses less digits than its factorization.

632663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17136.

The product of its digits is 3888, while the sum is 26.

The square root of 632663 is about 795.4011566499. The cubic root of 632663 is about 85.8468067788.

Adding to 632663 its reverse (366236), we get a palindrome (998899).

The spelling of 632663 in words is "six hundred thirty-two thousand, six hundred sixty-three".