274421386 has 12 divisors (see below), whose sum is σ = 419659542. Its totient is φ = 134538144.

The previous prime is 274421377. The next prime is 274421387. The reversal of 274421386 is 683124472.

It can be written as a sum of positive squares in 3 ways, for example, as 240839361 + 33582025 = 15519^2 + 5795^2 .

It is not an unprimeable number, because it can be changed into a prime (274421387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169750 + ... + 171358.

Almost surely, 2^274421386 is an apocalyptic number.

274421386 is a deficient number, since it is larger than the sum of its proper divisors (145238156).

274421386 is an frugal number, since it uses more digits than its factorization.

274421386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273 (or 1664 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 274421386 is about 16565.6688968481. The cubic root of 274421386 is about 649.8393180732.

The spelling of 274421386 in words is "two hundred seventy-four million, four hundred twenty-one thousand, three hundred eighty-six".