634041 has 16 divisors (see below), whose sum is σ = 981120. Its totient is φ = 403920.

The previous prime is 634031. The next prime is 634061. The reversal of 634041 is 140436.

It is not a de Polignac number, because 634041 - 2¹¹ = 631993 is a prime.

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

634041 is a lucky 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 15 ways as a sum of consecutive naturals, for example, 111 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (61320).

2⁶³⁴⁰⁴¹ is an apocalyptic number.

It is an amenable number.

634041 is a deficient number, since it is larger than the sum of its proper divisors (347079).

634041 is a wasteful number, since it uses less digits than its factorization.

634041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 634041 is about 796.2669150480. The cubic root of 634041 is about 85.9090890767.

Adding to 634041 its reverse (140436), we get a palindrome (774477).

The spelling of 634041 in words is "six hundred thirty-four thousand, forty-one".