3326640 has 80 divisors (see below), whose sum is σ = 10499328. Its totient is φ = 871168.

The previous prime is 3326629. The next prime is 3326663. The reversal of 3326640 is 466233.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3326640² = 22133067379200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3326640.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19837 + ... + 20003.

Almost surely, 2^3326640 is an apocalyptic number.

3326640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3326640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5249664).

3326640 is an abundant number, since it is smaller than the sum of its proper divisors (7172688).

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

3326640 is a wasteful number, since it uses less digits than its factorization.

3326640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 3326640 is about 1823.9078924112. The cubic root of 3326640 is about 149.2801061012.

The spelling of 3326640 in words is "three million, three hundred twenty-six thousand, six hundred forty".