274421 has 8 divisors (see below), whose sum is σ = 316800. Its totient is φ = 232848.

The previous prime is 274403. The next prime is 274423. The reversal of 274421 is 124472.

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

It is not a de Polignac number, because 274421 - 2⁶ = 274357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 274393 and 274402.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274421.

It is not an unprimeable number, because it can be changed into a prime (274423) 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, 1280 + ... + 1478.

It is an arithmetic number, because the mean of its divisors is an integer number (39600).

2²⁷⁴⁴²¹ is an apocalyptic number.

It is an amenable number.

274421 is a deficient number, since it is larger than the sum of its proper divisors (42379).

274421 is a wasteful number, since it uses less digits than its factorization.

274421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its digits is 448, while the sum is 20.

The square root of 274421 is about 523.8520783580. The cubic root of 274421 is about 64.9839013386.

Adding to 274421 its reverse (124472), we get a palindrome (398893).

The spelling of 274421 in words is "two hundred seventy-four thousand, four hundred twenty-one", and thus it is an iban number.