3283891 has 4 divisors (see below), whose sum is σ = 3536512. Its totient is φ = 3031272.

The previous prime is 3283879. The next prime is 3283897. The reversal of 3283891 is 1983823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1983823 = 47 ⋅42209.

It is a cyclic number.

It is not a de Polignac number, because 3283891 - 2²¹ = 1186739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3283897) 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, 126291 + ... + 126316.

It is an arithmetic number, because the mean of its divisors is an integer number (884128).

Almost surely, 2^3283891 is an apocalyptic number.

3283891 is a deficient number, since it is larger than the sum of its proper divisors (252621).

3283891 is a wasteful number, since it uses less digits than its factorization.

3283891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252620.

The product of its digits is 10368, while the sum is 34.

The square root of 3283891 is about 1812.1509319039. The cubic root of 3283891 is about 148.6379058048.

The spelling of 3283891 in words is "three million, two hundred eighty-three thousand, eight hundred ninety-one".