634036 has 24 divisors (see below), whose sum is σ = 1217160. Its totient is φ = 287232.

The previous prime is 634031. The next prime is 634061. The reversal of 634036 is 630436.

634036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3600 + 630436 = 60^2 + 794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 633998 and 634016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634031) by changing a digit.

634036 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4560 + ... + 4696.

It is an arithmetic number, because the mean of its divisors is an integer number (50715).

2⁶³⁴⁰³⁶ is an apocalyptic number.

It is an amenable number.

634036 is a deficient number, since it is larger than the sum of its proper divisors (583124).

634036 is a wasteful number, since it uses less digits than its factorization.

634036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 634036 is about 796.2637753910. The cubic root of 634036 is about 85.9088632519.

Subtracting from 634036 its reverse (630436), we obtain a square (3600 = 60²).

The spelling of 634036 in words is "six hundred thirty-four thousand, thirty-six".