3240881 has 4 divisors (see below), whose sum is σ = 3703872. Its totient is φ = 2777892.

The previous prime is 3240877. The next prime is 3240911. The reversal of 3240881 is 1880423.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1880423 = 47 ⋅40009.

It is a cyclic number.

It is not a de Polignac number, because 3240881 - 2² = 3240877 is a prime.

It is a super-2 number, since 2×3240881² = 21006619312322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3240881.

It is not an unprimeable number, because it can be changed into a prime (3240841) 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, 231485 + ... + 231498.

It is an arithmetic number, because the mean of its divisors is an integer number (925968).

Almost surely, 2^3240881 is an apocalyptic number.

It is an amenable number.

3240881 is a deficient number, since it is larger than the sum of its proper divisors (462991).

3240881 is an equidigital number, since it uses as much as digits as its factorization.

3240881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462990.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 3240881 is about 1800.2447055887. The cubic root of 3240881 is about 147.9861351755.

The spelling of 3240881 in words is "three million, two hundred forty thousand, eight hundred eighty-one".