9998734 has 8 divisors (see below), whose sum is σ = 15055920. Its totient is φ = 4980096.

The previous prime is 9998719. The next prime is 9998741. The reversal of 9998734 is 4378999.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8979 + ... + 10030.

It is an arithmetic number, because the mean of its divisors is an integer number (1881990).

Almost surely, 2^9998734 is an apocalyptic number.

9998734 is a deficient number, since it is larger than the sum of its proper divisors (5057186).

9998734 is a wasteful number, since it uses less digits than its factorization.

9998734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19274.

The product of its digits is 489888, while the sum is 49.

The square root of 9998734 is about 3162.0774816566. The cubic root of 9998734 is about 215.4343769051.

The spelling of 9998734 in words is "nine million, nine hundred ninety-eight thousand, seven hundred thirty-four".