634326 has 32 divisors (see below), whose sum is σ = 1582848. Its totient is φ = 164640.

The previous prime is 634313. The next prime is 634327. The reversal of 634326 is 623436.

634326 = 50² + 51² + ... + 126².

It is a junction number, because it is equal to n+sod(n) for n = 634296 and 634305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634327) by changing a digit.

634326 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 15 ways as a sum of consecutive naturals, for example, 225 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (49464).

2⁶³⁴³²⁶ is an apocalyptic number.

634326 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

634326 is an abundant number, since it is smaller than the sum of its proper divisors (948522).

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

634326 is a wasteful number, since it uses less digits than its factorization.

634326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its digits is 2592, while the sum is 24.

The square root of 634326 is about 796.4458550335. The cubic root of 634326 is about 85.9219591292.

The spelling of 634326 in words is "six hundred thirty-four thousand, three hundred twenty-six".