3009640 has 32 divisors (see below), whose sum is σ = 6878880. Its totient is φ = 1184832.

The previous prime is 3009637. The next prime is 3009659. The reversal of 3009640 is 469003.

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, 2119 + ... + 3241.

It is an arithmetic number, because the mean of its divisors is an integer number (214965).

Almost surely, 2^3009640 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 3009640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3439440).

3009640 is an abundant number, since it is smaller than the sum of its proper divisors (3869240).

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

3009640 is a wasteful number, since it uses less digits than its factorization.

3009640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3009640 is about 1734.8314039122. The cubic root of 3009640 is about 144.3792728132.

The spelling of 3009640 in words is "three million, nine thousand, six hundred forty".