298533749 has 2 divisors, whose sum is σ = 298533750. Its totient is φ = 298533748.

The previous prime is 298533731. The next prime is 298533791. The reversal of 298533749 is 947335892.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274962724 + 23571025 = 16582^2 + 4855^2 .

It is a cyclic number.

It is not a de Polignac number, because 298533749 - 2¹⁶ = 298468213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 298533697 and 298533706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298535749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149266874 + 149266875.

It is an arithmetic number, because the mean of its divisors is an integer number (149266875).

Almost surely, 2^298533749 is an apocalyptic number.

It is an amenable number.

298533749 is a deficient number, since it is larger than the sum of its proper divisors (1).

298533749 is an equidigital number, since it uses as much as digits as its factorization.

298533749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 298533749 is about 17278.1292100736. The cubic root of 298533749 is about 668.3405498496.

The spelling of 298533749 in words is "two hundred ninety-eight million, five hundred thirty-three thousand, seven hundred forty-nine".