6909964 has 6 divisors (see below), whose sum is σ = 12092444. Its totient is φ = 3454980.

The previous prime is 6909949. The next prime is 6909967. The reversal of 6909964 is 4699096.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6909964.

It is not an unprimeable number, because it can be changed into a prime (6909967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863742 + ... + 863749.

Almost surely, 2^6909964 is an apocalyptic number.

It is an amenable number.

6909964 is a deficient number, since it is larger than the sum of its proper divisors (5182480).

6909964 is a wasteful number, since it uses less digits than its factorization.

6909964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727495 (or 1727493 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 6909964 is about 2628.6810380874. The cubic root of 6909964 is about 190.4694209935.

The spelling of 6909964 in words is "six million, nine hundred nine thousand, nine hundred sixty-four".