2749847 has 2 divisors, whose sum is σ = 2749848. Its totient is φ = 2749846.

The previous prime is 2749823. The next prime is 2749849. The reversal of 2749847 is 7489472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2749847 - 2¹⁴ = 2733463 is a prime.

Together with 2749849, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₉₉₉₈₅ and since 2749847 and 199985 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2749849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374923 + 1374924.

It is an arithmetic number, because the mean of its divisors is an integer number (1374924).

2^2749847 is an apocalyptic number.

2749847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749847 is an equidigital number, since it uses as much as digits as its factorization.

2749847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 41.

The square root of 2749847 is about 1658.2662633003. The cubic root of 2749847 is about 140.0993682299.

The spelling of 2749847 in words is "two million, seven hundred forty-nine thousand, eight hundred forty-seven".