9805923 has 12 divisors (see below), whose sum is σ = 14997528. Its totient is φ = 6152640.

The previous prime is 9805921. The next prime is 9805927. The reversal of 9805923 is 3295089.

It is not a de Polignac number, because 9805923 - 2¹ = 9805921 is a prime.

It is a super-2 number, since 2×9805923² = 192312251763858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9805921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31893 + ... + 32198.

It is an arithmetic number, because the mean of its divisors is an integer number (1249794).

Almost surely, 2^9805923 is an apocalyptic number.

9805923 is a deficient number, since it is larger than the sum of its proper divisors (5191605).

9805923 is a wasteful number, since it uses less digits than its factorization.

9805923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64114 (or 64111 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 9805923 is about 3131.4410420763. The cubic root of 9805923 is about 214.0405999191.

It can be divided in two parts, 980 and 5923, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 9805923 in words is "nine million, eight hundred five thousand, nine hundred twenty-three".