3283812 has 72 divisors (see below), whose sum is σ = 9662016. Its totient is φ = 921024.

The previous prime is 3283807. The next prime is 3283817. The reversal of 3283812 is 2183823.

It is an interprime number because it is at equal distance from previous prime (3283807) and next prime (3283817).

It is not an unprimeable number, because it can be changed into a prime (3283817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20838 + ... + 20994.

Almost surely, 2^3283812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3283812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4831008).

3283812 is an abundant number, since it is smaller than the sum of its proper divisors (6378204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3283812 is a wasteful number, since it uses less digits than its factorization.

3283812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 252 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 3283812 is about 1812.1291344714. The cubic root of 3283812 is about 148.6367138764.

It can be divided in two parts, 3283 and 812, that added together give a triangular number (4095 = T₉₀).

The spelling of 3283812 in words is "three million, two hundred eighty-three thousand, eight hundred twelve".