6633990 has 48 divisors (see below), whose sum is σ = 18819216. Its totient is φ = 1608000.

The previous prime is 6633967. The next prime is 6634009. The reversal of 6633990 is 993366.

It is a Curzon number.

It is a congruent number.

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, 2361 + ... + 4340.

It is an arithmetic number, because the mean of its divisors is an integer number (392067).

Almost surely, 2^6633990 is an apocalyptic number.

6633990 is an abundant number, since it is smaller than the sum of its proper divisors (12185226).

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

6633990 is a wasteful number, since it uses less digits than its factorization.

6633990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 6633990 is about 2575.6533151804. The cubic root of 6633990 is about 187.8992027948.

The spelling of 6633990 in words is "six million, six hundred thirty-three thousand, nine hundred ninety".