3291081 has 16 divisors (see below), whose sum is σ = 4748544. Its totient is φ = 2019584.

The previous prime is 3291073. The next prime is 3291083. The reversal of 3291081 is 1801923.

It is a cyclic number.

It is not a de Polignac number, because 3291081 - 2³ = 3291073 is a prime.

It is a super-2 number, since 2×3291081² = 21662428297122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3291083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (296784).

Almost surely, 2^3291081 is an apocalyptic number.

It is an amenable number.

3291081 is a deficient number, since it is larger than the sum of its proper divisors (1457463).

3291081 is a wasteful number, since it uses less digits than its factorization.

3291081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 3291081 is about 1814.1336775442. The cubic root of 3291081 is about 148.7463064309.

The spelling of 3291081 in words is "three million, two hundred ninety-one thousand, eighty-one".