330749 has 2 divisors, whose sum is σ = 330750. Its totient is φ = 330748.

The previous prime is 330731. The next prime is 330767. The reversal of 330749 is 947033.

It is a balanced prime because it is at equal distance from previous prime (330731) and next prime (330767).

It can be written as a sum of positive squares in only one way, i.e., 174724 + 156025 = 418^2 + 395^2 .

It is an emirp because it is prime and its reverse (947033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330749 is a prime.

It is a super-3 number, since 3×330749³ = 108546762333539247, which contains 333 as substring.

It is a Chen prime.

It is equal to p₂₈₄₆₆ and since 330749 and 28466 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165374 + 165375.

It is an arithmetic number, because the mean of its divisors is an integer number (165375).

2³³⁰⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

330749 is a deficient number, since it is larger than the sum of its proper divisors (1).

330749 is an equidigital number, since it uses as much as digits as its factorization.

330749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 330749 is about 575.1078159789. The cubic root of 330749 is about 69.1564746841.

The spelling of 330749 in words is "three hundred thirty thousand, seven hundred forty-nine".