674284841 has 2 divisors, whose sum is σ = 674284842. Its totient is φ = 674284840.

The previous prime is 674284759. The next prime is 674284843. The reversal of 674284841 is 148482476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665898025 + 8386816 = 25805^2 + 2896^2 .

It is a cyclic number.

It is not a de Polignac number, because 674284841 - 2¹⁴ = 674268457 is a prime.

Together with 674284843, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 674284792 and 674284801.

It is not a weakly prime, because it can be changed into another prime (674284843) 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, 337142420 + 337142421.

It is an arithmetic number, because the mean of its divisors is an integer number (337142421).

Almost surely, 2^674284841 is an apocalyptic number.

It is an amenable number.

674284841 is a deficient number, since it is larger than the sum of its proper divisors (1).

674284841 is an equidigital number, since it uses as much as digits as its factorization.

674284841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 44.

The square root of 674284841 is about 25966.9952247078. The cubic root of 674284841 is about 876.8954138264.

The spelling of 674284841 in words is "six hundred seventy-four million, two hundred eighty-four thousand, eight hundred forty-one".