299746849 has 2 divisors, whose sum is σ = 299746850. Its totient is φ = 299746848.

The previous prime is 299746847. The next prime is 299746861. The reversal of 299746849 is 948647992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262926225 + 36820624 = 16215^2 + 6068^2 .

It is a cyclic number.

It is not a de Polignac number, because 299746849 - 2¹ = 299746847 is a prime.

Together with 299746847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 299746793 and 299746802.

It is not a weakly prime, because it can be changed into another prime (299746847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149873424 + 149873425.

It is an arithmetic number, because the mean of its divisors is an integer number (149873425).

Almost surely, 2^299746849 is an apocalyptic number.

It is an amenable number.

299746849 is a deficient number, since it is larger than the sum of its proper divisors (1).

299746849 is an equidigital number, since it uses as much as digits as its factorization.

299746849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 58.

The square root of 299746849 is about 17313.1986934824. The cubic root of 299746849 is about 669.2445997369.

The spelling of 299746849 in words is "two hundred ninety-nine million, seven hundred forty-six thousand, eight hundred forty-nine".