6652890 has 48 divisors (see below), whose sum is σ = 17901000. Its totient is φ = 1712256.

The previous prime is 6652871. The next prime is 6652901. The reversal of 6652890 is 982566.

It can be written as a sum of positive squares in 4 ways, for example, as 6395841 + 257049 = 2529^2 + 507^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1336 + ... + 3884.

Almost surely, 2^6652890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6652890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8950500).

6652890 is an abundant number, since it is smaller than the sum of its proper divisors (11248110).

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

6652890 is a wasteful number, since it uses less digits than its factorization.

6652890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 6652890 is about 2579.3196777445. The cubic root of 6652890 is about 188.0774729739.

The spelling of 6652890 in words is "six million, six hundred fifty-two thousand, eight hundred ninety".