3240863 has 4 divisors (see below), whose sum is σ = 3431520. Its totient is φ = 3050208.

The previous prime is 3240851. The next prime is 3240877. The reversal of 3240863 is 3680423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3680423 = 541 ⋅6803.

It is not a de Polignac number, because 3240863 - 2⁸ = 3240607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240163) 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, 95303 + ... + 95336.

It is an arithmetic number, because the mean of its divisors is an integer number (857880).

Almost surely, 2^3240863 is an apocalyptic number.

3240863 is a deficient number, since it is larger than the sum of its proper divisors (190657).

3240863 is a wasteful number, since it uses less digits than its factorization.

3240863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190656.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3240863 is about 1800.2397062614. The cubic root of 3240863 is about 147.9858612011.

The spelling of 3240863 in words is "three million, two hundred forty thousand, eight hundred sixty-three".