9928734 has 8 divisors (see below), whose sum is σ = 19857480. Its totient is φ = 3309576.

The previous prime is 9928727. The next prime is 9928739. The reversal of 9928734 is 4378299.

It is a sphenic number, since it is the product of 3 distinct primes.

9928734 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9928739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827389 + ... + 827400.

It is an arithmetic number, because the mean of its divisors is an integer number (2482185).

Almost surely, 2^9928734 is an apocalyptic number.

9928734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9928734 is a wasteful number, since it uses less digits than its factorization.

9928734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654794.

The product of its digits is 108864, while the sum is 42.

The square root of 9928734 is about 3150.9893684365. The cubic root of 9928734 is about 214.9304552429.

The spelling of 9928734 in words is "nine million, nine hundred twenty-eight thousand, seven hundred thirty-four".