3289890 has 16 divisors (see below), whose sum is σ = 7895808. Its totient is φ = 877296.

The previous prime is 3289889. The next prime is 3289931. The reversal of 3289890 is 989823.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54802 + ... + 54861.

It is an arithmetic number, because the mean of its divisors is an integer number (493488).

Almost surely, 2^3289890 is an apocalyptic number.

3289890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3289890 is an abundant number, since it is smaller than the sum of its proper divisors (4605918).

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

3289890 is a wasteful number, since it uses less digits than its factorization.

3289890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109673.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 3289890 is about 1813.8053919867. The cubic root of 3289890 is about 148.7283611392.

The spelling of 3289890 in words is "three million, two hundred eighty-nine thousand, eight hundred ninety".