274340399 has 2 divisors, whose sum is σ = 274340400. Its totient is φ = 274340398.

The previous prime is 274340393. The next prime is 274340461. The reversal of 274340399 is 993043472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274340399 - 2¹² = 274336303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274340393) 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 as a sum of consecutive naturals, namely, 137170199 + 137170200.

It is an arithmetic number, because the mean of its divisors is an integer number (137170200).

Almost surely, 2^274340399 is an apocalyptic number.

274340399 is a deficient number, since it is larger than the sum of its proper divisors (1).

274340399 is an equidigital number, since it uses as much as digits as its factorization.

274340399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 274340399 is about 16563.2242935969. The cubic root of 274340399 is about 649.7753851126.

The spelling of 274340399 in words is "two hundred seventy-four million, three hundred forty thousand, three hundred ninety-nine".