438874 has 4 divisors (see below), whose sum is σ = 658314. Its totient is φ = 219436.

The previous prime is 438869. The next prime is 438877. The reversal of 438874 is 478834.

438874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478834 = 2 ⋅239417.

It can be written as a sum of positive squares in only one way, i.e., 431649 + 7225 = 657^2 + 85^2 .

It is a super-2 number, since 2×438874² = 385220775752, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4² + 3¹⁰ + 8 + 8 + 7⁶ + 4⁹ .

It is not an unprimeable number, because it can be changed into a prime (438877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109717 + ... + 109720.

2⁴³⁸⁸⁷⁴ is an apocalyptic number.

438874 is a deficient number, since it is larger than the sum of its proper divisors (219440).

438874 is a wasteful number, since it uses less digits than its factorization.

438874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219439.

The product of its digits is 21504, while the sum is 34.

The square root of 438874 is about 662.4756599302. The cubic root of 438874 is about 75.9941131174.

The spelling of 438874 in words is "four hundred thirty-eight thousand, eight hundred seventy-four".