438274 has 8 divisors (see below), whose sum is σ = 660240. Its totient is φ = 218196.

The previous prime is 438271. The next prime is 438281. The reversal of 438274 is 472834.

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

It is not an unprimeable number, because it can be changed into a prime (438271) 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, 577 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (82530).

2⁴³⁸²⁷⁴ is an apocalyptic number.

438274 is the 419-th heptagonal number.

438274 is a deficient number, since it is larger than the sum of its proper divisors (221966).

438274 is a wasteful number, since it uses less digits than its factorization.

438274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its digits is 5376, while the sum is 28.

The square root of 438274 is about 662.0226582225. The cubic root of 438274 is about 75.9594659199.

The spelling of 438274 in words is "four hundred thirty-eight thousand, two hundred seventy-four".