3332640 has 96 divisors (see below), whose sum is σ = 10777536. Its totient is φ = 865280.

The previous prime is 3332617. The next prime is 3332687. The reversal of 3332640 is 462333.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×3332640² = 22212978739200, which contains 22 as substring.

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, 25375 + ... + 25505.

It is an arithmetic number, because the mean of its divisors is an integer number (112266).

Almost surely, 2^3332640 is an apocalyptic number.

3332640 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 3332640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5388768).

3332640 is an abundant number, since it is smaller than the sum of its proper divisors (7444896).

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

3332640 is a wasteful number, since it uses less digits than its factorization.

3332640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 3332640 is about 1825.5519713226. The cubic root of 3332640 is about 149.3698004761.

Adding to 3332640 its reverse (462333), we get a palindrome (3794973).

The spelling of 3332640 in words is "three million, three hundred thirty-two thousand, six hundred forty".