438470 has 16 divisors (see below), whose sum is σ = 797040. Its totient is φ = 173664.

The previous prime is 438467. The next prime is 438479. The reversal of 438470 is 74834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438479) 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, 1496 + ... + 1764.

It is an arithmetic number, because the mean of its divisors is an integer number (49815).

2⁴³⁸⁴⁷⁰ is an apocalyptic number.

438470 is a deficient number, since it is larger than the sum of its proper divisors (358570).

438470 is a wasteful number, since it uses less digits than its factorization.

438470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 438470 is about 662.1706728631. The cubic root of 438470 is about 75.9707874802.

The spelling of 438470 in words is "four hundred thirty-eight thousand, four hundred seventy".