463638 has 48 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 123984.

The previous prime is 463633. The next prime is 463643. The reversal of 463638 is 836364.

It is an interprime number because it is at equal distance from previous prime (463633) and next prime (463643).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5545 + ... + 5627.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2⁴⁶³⁶³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 463638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574560).

463638 is an abundant number, since it is smaller than the sum of its proper divisors (685482).

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

463638 is a wasteful number, since it uses less digits than its factorization.

463638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 114 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 463638 is about 680.9096856412. The cubic root of 463638 is about 77.3973945667.

The spelling of 463638 in words is "four hundred sixty-three thousand, six hundred thirty-eight".