632399 has 4 divisors (see below), whose sum is σ = 641136. Its totient is φ = 623664.

The previous prime is 632393. The next prime is 632447. The reversal of 632399 is 993236.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632399 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 (632393) 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, 4259 + ... + 4404.

It is an arithmetic number, because the mean of its divisors is an integer number (160284).

2⁶³²³⁹⁹ is an apocalyptic number.

632399 is a deficient number, since it is larger than the sum of its proper divisors (8737).

632399 is an equidigital number, since it uses as much as digits as its factorization.

632399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736.

The product of its digits is 8748, while the sum is 32.

The square root of 632399 is about 795.2351853383. The cubic root of 632399 is about 85.8348642912.

The spelling of 632399 in words is "six hundred thirty-two thousand, three hundred ninety-nine".