634708260 has 144 divisors (see below), whose sum is σ = 2104607232. Its totient is φ = 154137600.

The previous prime is 634708247. The next prime is 634708267. The reversal of 634708260 is 62807436.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (634708267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91515 + ... + 98205.

It is an arithmetic number, because the mean of its divisors is an integer number (14615328).

Almost surely, 2^634708260 is an apocalyptic number.

634708260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634708260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052303616).

634708260 is an abundant number, since it is smaller than the sum of its proper divisors (1469898972).

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

634708260 is a wasteful number, since it uses less digits than its factorization.

634708260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754 (or 6749 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 634708260 is about 25193.4169973031. The cubic root of 634708260 is about 859.3921520500.

The spelling of 634708260 in words is "six hundred thirty-four million, seven hundred eight thousand, two hundred sixty".