274238 has 4 divisors (see below), whose sum is σ = 411360. Its totient is φ = 137118.

The previous prime is 274237. The next prime is 274243. The reversal of 274238 is 832472.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68558 + ... + 68561.

It is an arithmetic number, because the mean of its divisors is an integer number (102840).

2²⁷⁴²³⁸ is an apocalyptic number.

274238 is a deficient number, since it is larger than the sum of its proper divisors (137122).

274238 is a wasteful number, since it uses less digits than its factorization.

274238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137121.

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

The square root of 274238 is about 523.6773816005. The cubic root of 274238 is about 64.9694531023.

It can be divided in two parts, 2742 and 38, that multiplied together give a triangular number (104196 = T₄₅₆).

The spelling of 274238 in words is "two hundred seventy-four thousand, two hundred thirty-eight".