634001 has 4 divisors (see below), whose sum is σ = 635904. Its totient is φ = 632100.

The previous prime is 633991. The next prime is 634003. The reversal of 634001 is 100436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 634001 - 2⁶ = 633937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634003) 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, 305 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (158976).

2⁶³⁴⁰⁰¹ is an apocalyptic number.

It is an amenable number.

634001 is a deficient number, since it is larger than the sum of its proper divisors (1903).

634001 is a wasteful number, since it uses less digits than its factorization.

634001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 634001 is about 796.2417974460. The cubic root of 634001 is about 85.9072824449.

Adding to 634001 its reverse (100436), we get a palindrome (734437).

The spelling of 634001 in words is "six hundred thirty-four thousand, one".