9388749 has 16 divisors (see below), whose sum is σ = 12997952. Its totient is φ = 6023808.

The previous prime is 9388723. The next prime is 9388751. The reversal of 9388749 is 9478839.

9388749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9388749 - 2¹⁵ = 9355981 is a prime.

It is a Duffinian number.

9388749 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9388698 and 9388707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9388349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8919 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (812372).

Almost surely, 2^9388749 is an apocalyptic number.

It is an amenable number.

9388749 is a deficient number, since it is larger than the sum of its proper divisors (3609203).

9388749 is a wasteful number, since it uses less digits than its factorization.

9388749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its digits is 435456, while the sum is 48.

The square root of 9388749 is about 3064.1065581993. The cubic root of 9388749 is about 210.9611946935.

The spelling of 9388749 in words is "nine million, three hundred eighty-eight thousand, seven hundred forty-nine".