3264840 has 64 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 870336.

The previous prime is 3264839. The next prime is 3264851. The reversal of 3264840 is 484623.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 432 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

Almost surely, 2^3264840 is an apocalyptic number.

3264840 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 3264840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5443200).

3264840 is an abundant number, since it is smaller than the sum of its proper divisors (7621560).

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

3264840 is a wasteful number, since it uses less digits than its factorization.

3264840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043 (or 3033 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 3264840 is about 1806.8868254542. The cubic root of 3264840 is about 148.3499146833.

The spelling of 3264840 in words is "three million, two hundred sixty-four thousand, eight hundred forty".