634461 has 8 divisors (see below), whose sum is σ = 860064. Its totient is φ = 415920.

The previous prime is 634441. The next prime is 634471. The reversal of 634461 is 164436.

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

It is not a de Polignac number, because 634461 - 2⁶ = 634397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (107508).

2⁶³⁴⁴⁶¹ is an apocalyptic number.

634461 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

634461 is a deficient number, since it is larger than the sum of its proper divisors (225603).

634461 is a wasteful number, since it uses less digits than its factorization.

634461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531.

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

The square root of 634461 is about 796.5306020487. The cubic root of 634461 is about 85.9280541243.

Adding to 634461 its reverse (164436), we get a palindrome (798897).

The spelling of 634461 in words is "six hundred thirty-four thousand, four hundred sixty-one".