634038 has 8 divisors (see below), whose sum is σ = 1268088. Its totient is φ = 211344.

The previous prime is 634031. The next prime is 634061. The reversal of 634038 is 830436.

It is a sphenic number, since it is the product of 3 distinct primes.

634038 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 633999 and 634017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634031) 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, 52831 + ... + 52842.

It is an arithmetic number, because the mean of its divisors is an integer number (158511).

2⁶³⁴⁰³⁸ is an apocalyptic number.

634038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634038 is a wasteful number, since it uses less digits than its factorization.

634038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105678.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 634038 is about 796.2650312553. The cubic root of 634038 is about 85.9089535820.

The spelling of 634038 in words is "six hundred thirty-four thousand, thirty-eight".