634116 has 24 divisors (see below), whose sum is σ = 1691200. Its totient is φ = 181152.

The previous prime is 634103. The next prime is 634141. The reversal of 634116 is 611436.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 634092 and 634101.

It is an unprimeable number.

634116 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, 3691 + ... + 3858.

2⁶³⁴¹¹⁶ is an apocalyptic number.

It is an amenable number.

634116 is an abundant number, since it is smaller than the sum of its proper divisors (1057084).

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

634116 is a wasteful number, since it uses less digits than its factorization.

634116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563 (or 7561 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 634116 is about 796.3140084163. The cubic root of 634116 is about 85.9124763065.

The spelling of 634116 in words is "six hundred thirty-four thousand, one hundred sixteen".