438074 has 32 divisors (see below), whose sum is σ = 846720. Its totient is φ = 165312.

The previous prime is 438049. The next prime is 438091. The reversal of 438074 is 470834.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5237 + ... + 5319.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2⁴³⁸⁰⁷⁴ is an apocalyptic number.

438074 is a deficient number, since it is larger than the sum of its proper divisors (408646).

438074 is a wasteful number, since it uses less digits than its factorization.

438074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134.

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

The square root of 438074 is about 661.8715887542. The cubic root of 438074 is about 75.9479098274.

The spelling of 438074 in words is "four hundred thirty-eight thousand, seventy-four".