9914728 has 8 divisors (see below), whose sum is σ = 18590130. Its totient is φ = 4957360.

The previous prime is 9914719. The next prime is 9914747. The reversal of 9914728 is 8274199.

It can be written as a sum of positive squares in only one way, i.e., 9108324 + 806404 = 3018^2 + 898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619663 + ... + 619678.

Almost surely, 2^9914728 is an apocalyptic number.

It is an amenable number.

9914728 is a deficient number, since it is larger than the sum of its proper divisors (8675402).

9914728 is a wasteful number, since it uses less digits than its factorization.

9914728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239347 (or 1239343 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 9914728 is about 3148.7661075412. The cubic root of 9914728 is about 214.8293435748.

The spelling of 9914728 in words is "nine million, nine hundred fourteen thousand, seven hundred twenty-eight".