634541004 has 18 divisors (see below), whose sum is σ = 1603978740. Its totient is φ = 211513656.

The previous prime is 634541003. The next prime is 634541021. The reversal of 634541004 is 400145436.

634541004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (634541003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8813034 + ... + 8813105.

It is an arithmetic number, because the mean of its divisors is an integer number (89109930).

Almost surely, 2^634541004 is an apocalyptic number.

It is an amenable number.

634541004 is an abundant number, since it is smaller than the sum of its proper divisors (969437736).

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

634541004 is a wasteful number, since it uses less digits than its factorization.

634541004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17626149 (or 17626144 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 634541004 is about 25190.0973400263. The cubic root of 634541004 is about 859.3166574590.

The spelling of 634541004 in words is "six hundred thirty-four million, five hundred forty-one thousand, four".