9920361 has 16 divisors (see below), whose sum is σ = 14482368. Its totient is φ = 5990400.

The previous prime is 9920357. The next prime is 9920363. The reversal of 9920361 is 1630299.

It is not a de Polignac number, because 9920361 - 2² = 9920357 is a prime.

9920361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9920363) 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, 16905 + ... + 17481.

It is an arithmetic number, because the mean of its divisors is an integer number (905148).

Almost surely, 2^9920361 is an apocalyptic number.

It is an amenable number.

9920361 is a deficient number, since it is larger than the sum of its proper divisors (4562007).

9920361 is a wasteful number, since it uses less digits than its factorization.

9920361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 9920361 is about 3149.6604578907. The cubic root of 9920361 is about 214.8700205888.

The spelling of 9920361 in words is "nine million, nine hundred twenty thousand, three hundred sixty-one".