9923678 has 16 divisors (see below), whose sum is σ = 15182640. Its totient is φ = 4863936.

The previous prime is 9923677. The next prime is 9923701. The reversal of 9923678 is 8763299.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9923671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34925 + ... + 35207.

It is an arithmetic number, because the mean of its divisors is an integer number (948915).

Almost surely, 2^9923678 is an apocalyptic number.

9923678 is a deficient number, since it is larger than the sum of its proper divisors (5258962).

9923678 is a wasteful number, since it uses less digits than its factorization.

9923678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its digits is 163296, while the sum is 44.

The square root of 9923678 is about 3150.1869785776. The cubic root of 9923678 is about 214.8939661030.

It can be divided in two parts, 9923 and 678, that added together give a palindrome (10601).

The spelling of 9923678 in words is "nine million, nine hundred twenty-three thousand, six hundred seventy-eight".