6623500 has 48 divisors (see below), whose sum is σ = 15593760. Its totient is φ = 2443200.

The previous prime is 6623467. The next prime is 6623521. The reversal of 6623500 is 53266.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

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, 5991 + ... + 7009.

It is an arithmetic number, because the mean of its divisors is an integer number (324870).

Almost surely, 2^6623500 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 6623500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7796880).

6623500 is an abundant number, since it is smaller than the sum of its proper divisors (8970260).

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

6623500 is a wasteful number, since it uses less digits than its factorization.

6623500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 6623500 is about 2573.6161329926. The cubic root of 6623500 is about 187.8001119779.

Adding to 6623500 its reverse (53266), we get a palindrome (6676766).

The spelling of 6623500 in words is "six million, six hundred twenty-three thousand, five hundred".