3262840 has 64 divisors (see below), whose sum is σ = 8616960. Its totient is φ = 1088640.

The previous prime is 3262837. The next prime is 3262859. The reversal of 3262840 is 482623.

It is a happy number.

3262840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3262840² = 21292249731200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11905 + ... + 12175.

It is an arithmetic number, because the mean of its divisors is an integer number (134640).

Almost surely, 2^3262840 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 3262840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4308480).

3262840 is an abundant number, since it is smaller than the sum of its proper divisors (5354120).

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

3262840 is a wasteful number, since it uses less digits than its factorization.

3262840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3262840 is about 1806.3333025774. Note that the first 4 decimals coincide. The cubic root of 3262840 is about 148.3196160638.

The spelling of 3262840 in words is "three million, two hundred sixty-two thousand, eight hundred forty".