9389745 has 48 divisors (see below), whose sum is σ = 17252352. Its totient is φ = 4717440.

The previous prime is 9389741. The next prime is 9389813. The reversal of 9389745 is 5479839.

9389745 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9389745 - 2² = 9389741 is a prime.

It is a super-2 number, since 2×9389745² = 176334622330050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9389745.

It is not an unprimeable number, because it can be changed into a prime (9389741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73872 + ... + 73998.

It is an arithmetic number, because the mean of its divisors is an integer number (359424).

Almost surely, 2^9389745 is an apocalyptic number.

It is an amenable number.

9389745 is a deficient number, since it is larger than the sum of its proper divisors (7862607).

9389745 is a wasteful number, since it uses less digits than its factorization.

9389745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 219 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 9389745 is about 3064.2690808739. The cubic root of 9389745 is about 210.9686543285.

The spelling of 9389745 in words is "nine million, three hundred eighty-nine thousand, seven hundred forty-five".