3245881 has 4 divisors (see below), whose sum is σ = 3285072. Its totient is φ = 3206692.

The previous prime is 3245857. The next prime is 3245897. The reversal of 3245881 is 1885423.

3245881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3245881 - 2⁵ = 3245849 is a prime.

It is a super-2 number, since 2×3245881² = 21071486932322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3245581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19471 + ... + 19636.

It is an arithmetic number, because the mean of its divisors is an integer number (821268).

Almost surely, 2^3245881 is an apocalyptic number.

It is an amenable number.

3245881 is a deficient number, since it is larger than the sum of its proper divisors (39191).

3245881 is an equidigital number, since it uses as much as digits as its factorization.

3245881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39190.

The product of its digits is 7680, while the sum is 31.

The square root of 3245881 is about 1801.6328704817. The cubic root of 3245881 is about 148.0621999330.

The spelling of 3245881 in words is "three million, two hundred forty-five thousand, eight hundred eighty-one".