3285831 has 8 divisors (see below), whose sum is σ = 4390384. Its totient is φ = 2185920.

The previous prime is 3285827. The next prime is 3285839. The reversal of 3285831 is 1385823.

It is a happy number.

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

It is not a de Polignac number, because 3285831 - 2² = 3285827 is a prime.

It is a super-2 number, since 2×3285831² = 21593370721122, which contains 22 as substring.

It is a Duffinian number.

3285831 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285839) 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, 1155 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (548798).

Almost surely, 2^3285831 is an apocalyptic number.

3285831 is a deficient number, since it is larger than the sum of its proper divisors (1104553).

3285831 is a wasteful number, since it uses less digits than its factorization.

3285831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

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

The square root of 3285831 is about 1812.6861283741. The cubic root of 3285831 is about 148.6671699483.

The spelling of 3285831 in words is "three million, two hundred eighty-five thousand, eight hundred thirty-one".