3283581 has 8 divisors (see below), whose sum is σ = 5003584. Its totient is φ = 1876320.

The previous prime is 3283573. The next prime is 3283589. The reversal of 3283581 is 1853823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3283573) and next prime (3283589).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3283581 - 2³ = 3283573 is a prime.

It is a super-2 number, since 2×3283581² = 21563808367122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3283589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78160 + ... + 78201.

It is an arithmetic number, because the mean of its divisors is an integer number (625448).

Almost surely, 2^3283581 is an apocalyptic number.

It is an amenable number.

3283581 is a deficient number, since it is larger than the sum of its proper divisors (1720003).

3283581 is a wasteful number, since it uses less digits than its factorization.

3283581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156371.

The product of its digits is 5760, while the sum is 30.

The square root of 3283581 is about 1812.0653961709. The cubic root of 3283581 is about 148.6332285078.

The spelling of 3283581 in words is "three million, two hundred eighty-three thousand, five hundred eighty-one".