3230749 has 2 divisors, whose sum is σ = 3230750. Its totient is φ = 3230748.

The previous prime is 3230737. The next prime is 3230791. The reversal of 3230749 is 9470323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3175524 + 55225 = 1782^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 3230749 - 2⁹ = 3230237 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

3230749 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3230449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615374 + 1615375.

It is an arithmetic number, because the mean of its divisors is an integer number (1615375).

Almost surely, 2^3230749 is an apocalyptic number.

It is an amenable number.

3230749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3230749 is an equidigital number, since it uses as much as digits as its factorization.

3230749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 3230749 is about 1797.4284408565. The cubic root of 3230749 is about 147.8317573210.

It can be divided in two parts, 323074 and 9, that multiplied together give a triangular number (2907666 = T₂₄₁₁).

The spelling of 3230749 in words is "three million, two hundred thirty thousand, seven hundred forty-nine".