9799745 has 4 divisors (see below), whose sum is σ = 11759700. Its totient is φ = 7839792.

The previous prime is 9799733. The next prime is 9799759. The reversal of 9799745 is 5479979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7139584 + 2660161 = 2672^2 + 1631^2 .

It is a cyclic number.

It is not a de Polignac number, because 9799745 - 2⁶ = 9799681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9799693 and 9799702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979970 + ... + 979979.

It is an arithmetic number, because the mean of its divisors is an integer number (2939925).

Almost surely, 2^9799745 is an apocalyptic number.

It is an amenable number.

9799745 is a deficient number, since it is larger than the sum of its proper divisors (1959955).

9799745 is a wasteful number, since it uses less digits than its factorization.

9799745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959954.

The product of its digits is 714420, while the sum is 50.

The square root of 9799745 is about 3130.4544398537. The cubic root of 9799745 is about 213.9956399962.

It can be divided in two parts, 979974 and 5, that added together give a palindrome (979979).

The spelling of 9799745 in words is "nine million, seven hundred ninety-nine thousand, seven hundred forty-five".