634180 has 24 divisors (see below), whose sum is σ = 1369368. Its totient is φ = 246528.

The previous prime is 634177. The next prime is 634181. The reversal of 634180 is 81436.

It can be written as a sum of positive squares in 4 ways, for example, as 329476 + 304704 = 574^2 + 552^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (634181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (57057).

2⁶³⁴¹⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684684).

634180 is an abundant number, since it is smaller than the sum of its proper divisors (735188).

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

634180 is a wasteful number, since it uses less digits than its factorization.

634180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 634180 is about 796.3541925550. The cubic root of 634180 is about 85.9153665314.

The spelling of 634180 in words is "six hundred thirty-four thousand, one hundred eighty".