3240861 has 16 divisors (see below), whose sum is σ = 4857216. Its totient is φ = 1907136.

The previous prime is 3240851. The next prime is 3240877. The reversal of 3240861 is 1680423.

It is a happy number.

It is not a de Polignac number, because 3240861 - 2⁷ = 3240733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (303576).

Almost surely, 2^3240861 is an apocalyptic number.

It is an amenable number.

3240861 is a deficient number, since it is larger than the sum of its proper divisors (1616355).

3240861 is a wasteful number, since it uses less digits than its factorization.

3240861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3240861 is about 1800.2391507797. The cubic root of 3240861 is about 147.9858307594.

The spelling of 3240861 in words is "three million, two hundred forty thousand, eight hundred sixty-one".