3240811 has 18 divisors (see below), whose sum is σ = 4036740. Its totient is φ = 2587032.

The previous prime is 3240767. The next prime is 3240841. The reversal of 3240811 is 1180423.

It is not a de Polignac number, because 3240811 - 2⁷ = 3240683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 17 ways as a sum of consecutive naturals, for example, 54900 + ... + 54958.

Almost surely, 2^3240811 is an apocalyptic number.

3240811 is a deficient number, since it is larger than the sum of its proper divisors (795929).

3240811 is an equidigital number, since it uses as much as digits as its factorization.

3240811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 3240811 is about 1800.2252636823. The cubic root of 3240811 is about 147.9850697137.

Multiplying 3240811 by its sum of digits (19), we get a square (61575409 = 7847²).

3240811 divided by its sum of digits (19) gives a square (170569 = 413²).

The spelling of 3240811 in words is "three million, two hundred forty thousand, eight hundred eleven".