438465 has 8 divisors (see below), whose sum is σ = 701568. Its totient is φ = 233840.

The previous prime is 438443. The next prime is 438467. The reversal of 438465 is 564834.

438465 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 438465 - 2⁶ = 438401 is a prime.

438465 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (438467) 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, 14601 + ... + 14630.

It is an arithmetic number, because the mean of its divisors is an integer number (87696).

2⁴³⁸⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

438465 is a deficient number, since it is larger than the sum of its proper divisors (263103).

438465 is a wasteful number, since it uses less digits than its factorization.

438465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29239.

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

The square root of 438465 is about 662.1668973907. The cubic root of 438465 is about 75.9704987068.

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

The spelling of 438465 in words is "four hundred thirty-eight thousand, four hundred sixty-five".