9493728 has 24 divisors (see below), whose sum is σ = 24921288. Its totient is φ = 3164544.

The previous prime is 9493727. The next prime is 9493739. The reversal of 9493728 is 8273949.

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 (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9493728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9493727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49351 + ... + 49542.

It is an arithmetic number, because the mean of its divisors is an integer number (1038387).

Almost surely, 2^9493728 is an apocalyptic number.

It is an amenable number.

9493728 is an abundant number, since it is smaller than the sum of its proper divisors (15427560).

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

9493728 is a wasteful number, since it uses less digits than its factorization.

9493728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98906 (or 98898 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 9493728 is about 3081.1893807424. The cubic root of 9493728 is about 211.7445600298.

The spelling of 9493728 in words is "nine million, four hundred ninety-three thousand, seven hundred twenty-eight".