9997741 has 4 divisors (see below), whose sum is σ = 10766812. Its totient is φ = 9228672.

The previous prime is 9997739. The next prime is 9997747. The reversal of 9997741 is 1477999.

9997741 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6482116 + 3515625 = 2546^2 + 1875^2 .

It is a cyclic number.

It is not a de Polignac number, because 9997741 - 2¹ = 9997739 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9997691 and 9997700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997747) 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, 384516 + ... + 384541.

It is an arithmetic number, because the mean of its divisors is an integer number (2691703).

Almost surely, 2^9997741 is an apocalyptic number.

It is an amenable number.

9997741 is a deficient number, since it is larger than the sum of its proper divisors (769071).

9997741 is a wasteful number, since it uses less digits than its factorization.

9997741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769070.

The product of its digits is 142884, while the sum is 46.

The square root of 9997741 is about 3161.9204607327. The cubic root of 9997741 is about 215.4272448882.

The spelling of 9997741 in words is "nine million, nine hundred ninety-seven thousand, seven hundred forty-one".