9749489 has 4 divisors (see below), whose sum is σ = 10262640. Its totient is φ = 9236340.

The previous prime is 9749479. The next prime is 9749491. The reversal of 9749489 is 9849479.

9749489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9749489 is a prime.

It is a super-2 number, since 2×9749489² = 190105071522242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9749479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256547 + ... + 256584.

It is an arithmetic number, because the mean of its divisors is an integer number (2565660).

Almost surely, 2^9749489 is an apocalyptic number.

It is an amenable number.

9749489 is a deficient number, since it is larger than the sum of its proper divisors (513151).

9749489 is a wasteful number, since it uses less digits than its factorization.

9749489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513150.

The product of its digits is 653184, while the sum is 50.

The square root of 9749489 is about 3122.4171726405. The cubic root of 9749489 is about 213.6292018341.

The spelling of 9749489 in words is "nine million, seven hundred forty-nine thousand, four hundred eighty-nine".