9940923 has 24 divisors (see below), whose sum is σ = 14916096. Its totient is φ = 6375600.

The previous prime is 9940907. The next prime is 9940927. The reversal of 9940923 is 3290499.

It is not a de Polignac number, because 9940923 - 2⁴ = 9940907 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (9940927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29868 + ... + 30198.

It is an arithmetic number, because the mean of its divisors is an integer number (621504).

Almost surely, 2^9940923 is an apocalyptic number.

9940923 is a deficient number, since it is larger than the sum of its proper divisors (4975173).

9940923 is a wasteful number, since it uses less digits than its factorization.

9940923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 9940923 is about 3152.9229296004. The cubic root of 9940923 is about 215.0183723258.

The spelling of 9940923 in words is "nine million, nine hundred forty thousand, nine hundred twenty-three".