6602440 has 32 divisors (see below), whose sum is σ = 15999480. Its totient is φ = 2437632.

The previous prime is 6602437. The next prime is 6602447. The reversal of 6602440 is 442066.

It can be written as a sum of positive squares in 4 ways, for example, as 3090564 + 3511876 = 1758^2 + 1874^2 .

It is not an unprimeable number, because it can be changed into a prime (6602447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5829 + ... + 6868.

Almost surely, 2^6602440 is an apocalyptic number.

It is an amenable number.

6602440 is an abundant number, since it is smaller than the sum of its proper divisors (9397040).

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

6602440 is a wasteful number, since it uses less digits than its factorization.

6602440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721 (or 12717 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 6602440 is about 2569.5213562062. The cubic root of 6602440 is about 187.6008583301.

The spelling of 6602440 in words is "six million, six hundred two thousand, four hundred forty".