6690464 has 48 divisors (see below), whose sum is σ = 14605920. Its totient is φ = 2991360.

The previous prime is 6690433. The next prime is 6690473. The reversal of 6690464 is 4640966.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29102 + ... + 29330.

It is an arithmetic number, because the mean of its divisors is an integer number (304290).

Almost surely, 2^6690464 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 6690464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7302960).

6690464 is an abundant number, since it is smaller than the sum of its proper divisors (7915456).

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

6690464 is a wasteful number, since it uses less digits than its factorization.

6690464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 6690464 is about 2586.5931261024. The cubic root of 6690464 is about 188.4308813234.

The spelling of 6690464 in words is "six million, six hundred ninety thousand, four hundred sixty-four".