3289992 has 48 divisors (see below), whose sum is σ = 8570640. Its totient is φ = 1052352.

The previous prime is 3289987. The next prime is 3289997. The reversal of 3289992 is 2999823.

It is an interprime number because it is at equal distance from previous prime (3289987) and next prime (3289997).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3289997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20103 + ... + 20265.

It is an arithmetic number, because the mean of its divisors is an integer number (178555).

Almost surely, 2^3289992 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 3289992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4285320).

3289992 is an abundant number, since it is smaller than the sum of its proper divisors (5280648).

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

3289992 is a wasteful number, since it uses less digits than its factorization.

3289992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 197 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 3289992 is about 1813.8335094490. The cubic root of 3289992 is about 148.7298981851.

The spelling of 3289992 in words is "three million, two hundred eighty-nine thousand, nine hundred ninety-two".