6690334 has 8 divisors (see below), whose sum is σ = 11469168. Its totient is φ = 2867280.

The previous prime is 6690331. The next prime is 6690347. The reversal of 6690334 is 4330966.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6690296 and 6690305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690331) 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, 238927 + ... + 238954.

It is an arithmetic number, because the mean of its divisors is an integer number (1433646).

Almost surely, 2^6690334 is an apocalyptic number.

6690334 is a deficient number, since it is larger than the sum of its proper divisors (4778834).

6690334 is a wasteful number, since it uses less digits than its factorization.

6690334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477890.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 6690334 is about 2586.5679963999. The cubic root of 6690334 is about 188.4296608713.

The spelling of 6690334 in words is "six million, six hundred ninety thousand, three hundred thirty-four".