634922 has 8 divisors (see below), whose sum is σ = 955776. Its totient is φ = 316332.

The previous prime is 634903. The next prime is 634927. The reversal of 634922 is 229436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 634891 and 634900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634927) by changing a digit.

634922 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 3 ways as a sum of consecutive naturals, for example, 743 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (119472).

2⁶³⁴⁹²² is an apocalyptic number.

634922 is a deficient number, since it is larger than the sum of its proper divisors (320854).

634922 is a wasteful number, since it uses less digits than its factorization.

634922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its digits is 2592, while the sum is 26.

The square root of 634922 is about 796.8199294696. The cubic root of 634922 is about 85.9488608892.

The spelling of 634922 in words is "six hundred thirty-four thousand, nine hundred twenty-two".