999000673 has 4 divisors (see below), whose sum is σ = 1089818928. Its totient is φ = 908182420.

The previous prime is 999000659. The next prime is 999000701. The reversal of 999000673 is 376000999.

999000673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 376000999 = 11 ⋅34181909.

It is a cyclic number.

It is not a de Polignac number, because 999000673 - 2¹³ = 998992481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (999000643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45409111 + ... + 45409132.

It is an arithmetic number, because the mean of its divisors is an integer number (272454732).

Almost surely, 2^999000673 is an apocalyptic number.

It is an amenable number.

999000673 is a deficient number, since it is larger than the sum of its proper divisors (90818255).

999000673 is a wasteful number, since it uses less digits than its factorization.

999000673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90818254.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 999000673 is about 31606.9719049453. The cubic root of 999000673 is about 999.6667799767. Note that the first 3 decimals are identical.

The spelling of 999000673 in words is "nine hundred ninety-nine million, six hundred seventy-three", and thus it is an aban number.