465438 has 8 divisors (see below), whose sum is σ = 930888. Its totient is φ = 155144.

The previous prime is 465433. The next prime is 465463. The reversal of 465438 is 834564.

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

465438 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 465438.

It is not an unprimeable number, because it can be changed into a prime (465433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38781 + ... + 38792.

It is an arithmetic number, because the mean of its divisors is an integer number (116361).

2⁴⁶⁵⁴³⁸ is an apocalyptic number.

465438 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.

465438 is a wasteful number, since it uses less digits than its factorization.

465438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77578.

The product of its digits is 11520, while the sum is 30.

The square root of 465438 is about 682.2301664395. The cubic root of 465438 is about 77.4974262066.

It can be divided in two parts, 465 and 438, that added together give a triangular number (903 = T₄₂).

The spelling of 465438 in words is "four hundred sixty-five thousand, four hundred thirty-eight".