9920741 has 16 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 9005568.

The previous prime is 9920737. The next prime is 9920749. The reversal of 9920741 is 1470299.

9920741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9920741 - 2² = 9920737 is a prime.

It is a super-2 number, since 2×9920741² = 196842203978162, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 9920698 and 9920707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920749) 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, 111425 + ... + 111513.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^9920741 is an apocalyptic number.

It is an amenable number.

9920741 is a deficient number, since it is larger than the sum of its proper divisors (965659).

9920741 is a wasteful number, since it uses less digits than its factorization.

9920741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 9920741 is about 3149.7207812757. The cubic root of 9920741 is about 214.8727640899.

The spelling of 9920741 in words is "nine million, nine hundred twenty thousand, seven hundred forty-one".