3230945 has 4 divisors (see below), whose sum is σ = 3877140. Its totient is φ = 2584752.

The previous prime is 3230881. The next prime is 3230957. The reversal of 3230945 is 5490323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5490323 = 53 ⋅103591.

It can be written as a sum of positive squares in 2 ways, for example, as 1290496 + 1940449 = 1136^2 + 1393^2 .

It is a cyclic number.

It is not a de Polignac number, because 3230945 - 2⁶ = 3230881 is a prime.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323090 + ... + 323099.

It is an arithmetic number, because the mean of its divisors is an integer number (969285).

Almost surely, 2^3230945 is an apocalyptic number.

It is an amenable number.

3230945 is a deficient number, since it is larger than the sum of its proper divisors (646195).

3230945 is an equidigital number, since it uses as much as digits as its factorization.

3230945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646194.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3230945 is about 1797.4829623671. The cubic root of 3230945 is about 147.8347467659.

The spelling of 3230945 in words is "three million, two hundred thirty thousand, nine hundred forty-five".