9798831 has 12 divisors (see below), whose sum is σ = 16175952. Its totient is φ = 5599296.

The previous prime is 9798829. The next prime is 9798847. The reversal of 9798831 is 1388979.

9798831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9798831 - 2¹ = 9798829 is a prime.

It is a super-2 number, since 2×9798831² = 192034177933122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9798871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77706 + ... + 77831.

It is an arithmetic number, because the mean of its divisors is an integer number (1347996).

Almost surely, 2^9798831 is an apocalyptic number.

9798831 is a deficient number, since it is larger than the sum of its proper divisors (6377121).

9798831 is a wasteful number, since it uses less digits than its factorization.

9798831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155550 (or 155547 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 9798831 is about 3130.3084512552. The cubic root of 9798831 is about 213.9889868266.

The spelling of 9798831 in words is "nine million, seven hundred ninety-eight thousand, eight hundred thirty-one".