9948729 has 16 divisors (see below), whose sum is σ = 15234048. Its totient is φ = 5657232.

The previous prime is 9948713. The next prime is 9948739. The reversal of 9948729 is 9278499.

It is a happy number.

It is not a de Polignac number, because 9948729 - 2⁴ = 9948713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9948709) 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, 3724 + ... + 5810.

It is an arithmetic number, because the mean of its divisors is an integer number (952128).

Almost surely, 2^9948729 is an apocalyptic number.

It is an amenable number.

9948729 is a deficient number, since it is larger than the sum of its proper divisors (5285319).

9948729 is a wasteful number, since it uses less digits than its factorization.

9948729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324.

The product of its digits is 326592, while the sum is 48.

The square root of 9948729 is about 3154.1605856392. The cubic root of 9948729 is about 215.0746378685.

It can be divided in two parts, 99 and 48729, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 9948729 in words is "nine million, nine hundred forty-eight thousand, seven hundred twenty-nine".