634146 has 8 divisors (see below), whose sum is σ = 1268304. Its totient is φ = 211380.

The previous prime is 634141. The next prime is 634157. The reversal of 634146 is 641436.

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

634146 is an admirable number.

It is a super-2 number, since 2×634146² = 804282298632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (634141) by changing a digit.

634146 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, 52840 + ... + 52851.

It is an arithmetic number, because the mean of its divisors is an integer number (158538).

2⁶³⁴¹⁴⁶ is an apocalyptic number.

634146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634146 is a wasteful number, since it uses less digits than its factorization.

634146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105696.

The product of its digits is 1728, while the sum is 24.

The square root of 634146 is about 796.3328449838. The cubic root of 634146 is about 85.9138311236.

It can be divided in two parts, 634 and 146, that added together give a triangular number (780 = T₃₉).

The spelling of 634146 in words is "six hundred thirty-four thousand, one hundred forty-six".