9139798 has 12 divisors (see below), whose sum is σ = 14470380. Its totient is φ = 4329036.

The previous prime is 9139789. The next prime is 9139807. The reversal of 9139798 is 8979319.

It is an interprime number because it is at equal distance from previous prime (9139789) and next prime (9139807).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5608 + ... + 7051.

It is an arithmetic number, because the mean of its divisors is an integer number (1205865).

Almost surely, 2^9139798 is an apocalyptic number.

9139798 is a deficient number, since it is larger than the sum of its proper divisors (5330582).

9139798 is a wasteful number, since it uses less digits than its factorization.

9139798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12699 (or 12680 counting only the distinct ones).

The product of its digits is 122472, while the sum is 46.

The square root of 9139798 is about 3023.2098835509. The cubic root of 9139798 is about 209.0798592889.

The spelling of 9139798 in words is "nine million, one hundred thirty-nine thousand, seven hundred ninety-eight".