3230861 has 4 divisors (see below), whose sum is σ = 3342300. Its totient is φ = 3119424.

The previous prime is 3230849. The next prime is 3230873. The reversal of 3230861 is 1680323.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3230849) and next prime (3230873).

It can be written as a sum of positive squares in 2 ways, for example, as 1525225 + 1705636 = 1235^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 3230861 - 2⁶ = 3230797 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55676 + ... + 55733.

It is an arithmetic number, because the mean of its divisors is an integer number (835575).

Almost surely, 2^3230861 is an apocalyptic number.

It is an amenable number.

3230861 is a deficient number, since it is larger than the sum of its proper divisors (111439).

3230861 is a wasteful number, since it uses less digits than its factorization.

3230861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111438.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3230861 is about 1797.4595962079. The cubic root of 3230861 is about 147.8334655900.

The spelling of 3230861 in words is "three million, two hundred thirty thousand, eight hundred sixty-one".