3287161 has 4 divisors (see below), whose sum is σ = 3297424. Its totient is φ = 3276900.

The previous prime is 3287149. The next prime is 3287177. The reversal of 3287161 is 1617823.

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: 1617823 = 29 ⋅55787.

It is not a de Polignac number, because 3287161 - 2⁷ = 3287033 is a prime.

It is a Duffinian number.

3287161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3287101) 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, 4635 + ... + 5296.

It is an arithmetic number, because the mean of its divisors is an integer number (824356).

Almost surely, 2^3287161 is an apocalyptic number.

It is an amenable number.

3287161 is a deficient number, since it is larger than the sum of its proper divisors (10263).

3287161 is an equidigital number, since it uses as much as digits as its factorization.

3287161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262.

The product of its digits is 2016, while the sum is 28.

The square root of 3287161 is about 1813.0529501369. The cubic root of 3287161 is about 148.6872258250.

The spelling of 3287161 in words is "three million, two hundred eighty-seven thousand, one hundred sixty-one".