6909912 has 24 divisors (see below), whose sum is σ = 18714540. Its totient is φ = 2303280.

The previous prime is 6909907. The next prime is 6909919. The reversal of 6909912 is 2199096.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6909919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47914 + ... + 48057.

Almost surely, 2^6909912 is an apocalyptic number.

It is an amenable number.

6909912 is an abundant number, since it is smaller than the sum of its proper divisors (11804628).

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

6909912 is a wasteful number, since it uses less digits than its factorization.

6909912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95983 (or 95976 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 6909912 is about 2628.6711471768. The cubic root of 6909912 is about 190.4689432084.

The spelling of 6909912 in words is "six million, nine hundred nine thousand, nine hundred twelve".