9915748 has 6 divisors (see below), whose sum is σ = 17352566. Its totient is φ = 4957872.

The previous prime is 9915721. The next prime is 9915749. The reversal of 9915748 is 8475199.

9915748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6260004 + 3655744 = 2502^2 + 1912^2 .

It is not an unprimeable number, because it can be changed into a prime (9915749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239465 + ... + 1239472.

Almost surely, 2^9915748 is an apocalyptic number.

It is an amenable number.

9915748 is a deficient number, since it is larger than the sum of its proper divisors (7436818).

9915748 is a wasteful number, since it uses less digits than its factorization.

9915748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478941 (or 2478939 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 9915748 is about 3148.9280715825. The cubic root of 9915748 is about 214.8367103399.

The spelling of 9915748 in words is "nine million, nine hundred fifteen thousand, seven hundred forty-eight".