463438 has 4 divisors (see below), whose sum is σ = 695160. Its totient is φ = 231718.

The previous prime is 463433. The next prime is 463447. The reversal of 463438 is 834364.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 4³ + 6⁷ + 4⁶ + 3⁷ + 3¹¹ + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463433) by changing a digit.

463438 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 as a sum of consecutive naturals, namely, 115858 + ... + 115861.

It is an arithmetic number, because the mean of its divisors is an integer number (173790).

2⁴⁶³⁴³⁸ is an apocalyptic number.

463438 is a deficient number, since it is larger than the sum of its proper divisors (231722).

463438 is a wasteful number, since it uses less digits than its factorization.

463438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231721.

The product of its digits is 6912, while the sum is 28.

The square root of 463438 is about 680.7628074447. The cubic root of 463438 is about 77.3862639683.

The spelling of 463438 in words is "four hundred sixty-three thousand, four hundred thirty-eight".