632478 has 48 divisors (see below), whose sum is σ = 1620864. Its totient is φ = 159840.

The previous prime is 632473. The next prime is 632483. The reversal of 632478 is 874236.

It is an interprime number because it is at equal distance from previous prime (632473) and next prime (632483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632473) 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 23 ways as a sum of consecutive naturals, for example, 17076 + ... + 17112.

It is an arithmetic number, because the mean of its divisors is an integer number (33768).

2⁶³²⁴⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 632478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810432).

632478 is an abundant number, since it is smaller than the sum of its proper divisors (988386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

632478 is a wasteful number, since it uses less digits than its factorization.

632478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 60 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 632478 is about 795.2848546276. The cubic root of 632478 is about 85.8384383386.

The spelling of 632478 in words is "six hundred thirty-two thousand, four hundred seventy-eight".