928679923 has 4 divisors (see below), whose sum is σ = 929479608. Its totient is φ = 927880240.

The previous prime is 928679903. The next prime is 928679957. The reversal of 928679923 is 329976829.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-928679923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (928679903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398098 + ... + 400423.

It is an arithmetic number, because the mean of its divisors is an integer number (232369902).

Almost surely, 2^928679923 is an apocalyptic number.

928679923 is a deficient number, since it is larger than the sum of its proper divisors (799685).

928679923 is a wasteful number, since it uses less digits than its factorization.

928679923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799684.

The product of its digits is 2939328, while the sum is 55.

The square root of 928679923 is about 30474.2501630475. The cubic root of 928679923 is about 975.6379512841.

The spelling of 928679923 in words is "nine hundred twenty-eight million, six hundred seventy-nine thousand, nine hundred twenty-three".