9799845 has 16 divisors (see below), whose sum is σ = 17105472. Its totient is φ = 4751360.

The previous prime is 9799843. The next prime is 9799847. The reversal of 9799845 is 5489979.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9799843) and next prime (9799847).

It is not a de Polignac number, because 9799845 - 2¹ = 9799843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9799843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29532 + ... + 29861.

It is an arithmetic number, because the mean of its divisors is an integer number (1069092).

Almost surely, 2^9799845 is an apocalyptic number.

It is an amenable number.

9799845 is a deficient number, since it is larger than the sum of its proper divisors (7305627).

9799845 is a wasteful number, since it uses less digits than its factorization.

9799845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59412.

The product of its digits is 816480, while the sum is 51.

The square root of 9799845 is about 3130.4704119349. The cubic root of 9799845 is about 213.9963678890.

The spelling of 9799845 in words is "nine million, seven hundred ninety-nine thousand, eight hundred forty-five".