634950 has 72 divisors (see below), whose sum is σ = 1828008. Its totient is φ = 157440.

The previous prime is 634943. The next prime is 634969. The reversal of 634950 is 59436.

It is a happy number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

634950 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 35 ways as a sum of consecutive naturals, for example, 7609 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (25389).

2⁶³⁴⁹⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914004).

634950 is an abundant number, since it is smaller than the sum of its proper divisors (1193058).

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

634950 is a wasteful number, since it uses less digits than its factorization.

634950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 634950 is about 796.8374991176. The cubic root of 634950 is about 85.9501243162.

The spelling of 634950 in words is "six hundred thirty-four thousand, nine hundred fifty".