2743849 has 2 divisors, whose sum is σ = 2743850. Its totient is φ = 2743848.

The previous prime is 2743823. The next prime is 2743859. The reversal of 2743849 is 9483472.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 310249 = 1560^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2743849 - 2¹¹ = 2741801 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 7⁵ + 4³ + 3¹² + 8⁵ + 4⁸ + 9² .

It is not a weakly prime, because it can be changed into another prime (2743859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371924 + 1371925.

It is an arithmetic number, because the mean of its divisors is an integer number (1371925).

2^2743849 is an apocalyptic number.

It is an amenable number.

2743849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2743849 is an equidigital number, since it uses as much as digits as its factorization.

2743849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 2743849 is about 1656.4567606793. The cubic root of 2743849 is about 139.9974319257.

The spelling of 2743849 in words is "two million, seven hundred forty-three thousand, eight hundred forty-nine".