9491664 has 160 divisors (see below), whose sum is σ = 31497984. Its totient is φ = 2396160.

The previous prime is 9491633. The next prime is 9491681. The reversal of 9491664 is 4661949.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179062 + ... + 179114.

Almost surely, 2^9491664 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 9491664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15748992).

9491664 is an abundant number, since it is smaller than the sum of its proper divisors (22006320).

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

9491664 is a wasteful number, since it uses less digits than its factorization.

9491664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 9491664 is about 3080.8544269407. The cubic root of 9491664 is about 211.7292140228.

The spelling of 9491664 in words is "nine million, four hundred ninety-one thousand, six hundred sixty-four".