9749799 has 6 divisors (see below), whose sum is σ = 14083056. Its totient is φ = 6499860.

The previous prime is 9749743. The next prime is 9749801. The reversal of 9749799 is 9979479.

It is not a de Polignac number, because 9749799 - 2¹⁷ = 9618727 is a prime.

9749799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9749099) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 541647 + ... + 541664.

It is an arithmetic number, because the mean of its divisors is an integer number (2347176).

Almost surely, 2^9749799 is an apocalyptic number.

9749799 is a deficient number, since it is larger than the sum of its proper divisors (4333257).

9749799 is a wasteful number, since it uses less digits than its factorization.

9749799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083317 (or 1083314 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 9749799 is about 3122.4668132744. The cubic root of 9749799 is about 213.6314660331.

The spelling of 9749799 in words is "nine million, seven hundred forty-nine thousand, seven hundred ninety-nine".