9681912 has 24 divisors (see below), whose sum is σ = 26222040. Its totient is φ = 3227280.

The previous prime is 9681907. The next prime is 9681913. The reversal of 9681912 is 2191869.

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

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681913) 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, 67164 + ... + 67307.

It is an arithmetic number, because the mean of its divisors is an integer number (1092585).

Almost surely, 2^9681912 is an apocalyptic number.

It is an amenable number.

9681912 is an abundant number, since it is smaller than the sum of its proper divisors (16540128).

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

9681912 is a wasteful number, since it uses less digits than its factorization.

9681912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134483 (or 134476 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 9681912 is about 3111.5770920869. The cubic root of 9681912 is about 213.1344783268.

The spelling of 9681912 in words is "nine million, six hundred eighty-one thousand, nine hundred twelve".