632678 has 4 divisors (see below), whose sum is σ = 949020. Its totient is φ = 316338.

The previous prime is 632677. The next prime is 632683. The reversal of 632678 is 876236.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632677) 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 as a sum of consecutive naturals, namely, 158168 + ... + 158171.

It is an arithmetic number, because the mean of its divisors is an integer number (237255).

2⁶³²⁶⁷⁸ is an apocalyptic number.

632678 is a deficient number, since it is larger than the sum of its proper divisors (316342).

632678 is a wasteful number, since it uses less digits than its factorization.

632678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316341.

The product of its digits is 12096, while the sum is 32.

The square root of 632678 is about 795.4105857983. The cubic root of 632678 is about 85.8474852295.

The spelling of 632678 in words is "six hundred thirty-two thousand, six hundred seventy-eight".