6652990 has 8 divisors (see below), whose sum is σ = 11975400. Its totient is φ = 2661192.

The previous prime is 6652979. The next prime is 6652993. The reversal of 6652990 is 992566.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6652993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332640 + ... + 332659.

It is an arithmetic number, because the mean of its divisors is an integer number (1496925).

Almost surely, 2^6652990 is an apocalyptic number.

6652990 is a deficient number, since it is larger than the sum of its proper divisors (5322410).

6652990 is a wasteful number, since it uses less digits than its factorization.

6652990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665306.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 6652990 is about 2579.3390626283. The cubic root of 6652990 is about 188.0784153039.

It can be divided in two parts, 665 and 2990, that added together give a triangular number (3655 = T₈₅).

The spelling of 6652990 in words is "six million, six hundred fifty-two thousand, nine hundred ninety".