274856339 has 2 divisors, whose sum is σ = 274856340. Its totient is φ = 274856338.

The previous prime is 274856273. The next prime is 274856363. The reversal of 274856339 is 933658472.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274856339 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 274856293 and 274856302.

It is not a weakly prime, because it can be changed into another prime (274856369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137428169 + 137428170.

It is an arithmetic number, because the mean of its divisors is an integer number (137428170).

Almost surely, 2^274856339 is an apocalyptic number.

274856339 is a deficient number, since it is larger than the sum of its proper divisors (1).

274856339 is an equidigital number, since it uses as much as digits as its factorization.

274856339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The square root of 274856339 is about 16578.7918437985. The cubic root of 274856339 is about 650.1824647509.

The spelling of 274856339 in words is "two hundred seventy-four million, eight hundred fifty-six thousand, three hundred thirty-nine".