9099938 has 8 divisors (see below), whose sum is σ = 13667520. Its totient is φ = 4544100.

The previous prime is 9099929. The next prime is 9099943. The reversal of 9099938 is 8399909.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 9099892 and 9099901.

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 in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 4313.

It is an arithmetic number, because the mean of its divisors is an integer number (1708440).

Almost surely, 2^9099938 is an apocalyptic number.

9099938 is a deficient number, since it is larger than the sum of its proper divisors (4567582).

9099938 is a wasteful number, since it uses less digits than its factorization.

9099938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 9099938 is about 3016.6103493822. The cubic root of 9099938 is about 208.7754737221.

The spelling of 9099938 in words is "nine million, ninety-nine thousand, nine hundred thirty-eight".