240749849 has 2 divisors, whose sum is σ = 240749850. Its totient is φ = 240749848.

The previous prime is 240749837. The next prime is 240749857. The reversal of 240749849 is 948947042.

240749849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240250000 + 499849 = 15500^2 + 707^2 .

It is a cyclic number.

It is not a de Polignac number, because 240749849 - 2¹² = 240745753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240749549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120374924 + 120374925.

It is an arithmetic number, because the mean of its divisors is an integer number (120374925).

Almost surely, 2^240749849 is an apocalyptic number.

It is an amenable number.

240749849 is a deficient number, since it is larger than the sum of its proper divisors (1).

240749849 is an equidigital number, since it uses as much as digits as its factorization.

240749849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 240749849 is about 15516.1157832751. The cubic root of 240749849 is about 622.0930380915.

The spelling of 240749849 in words is "two hundred forty million, seven hundred forty-nine thousand, eight hundred forty-nine".