923912894 has 4 divisors (see below), whose sum is σ = 1385869344. Its totient is φ = 461956446.

The previous prime is 923912881. The next prime is 923912909. The reversal of 923912894 is 498219329.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498219329 = 2213 ⋅225133.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 230978222 + ... + 230978225.

It is an arithmetic number, because the mean of its divisors is an integer number (346467336).

Almost surely, 2^923912894 is an apocalyptic number.

923912894 is a deficient number, since it is larger than the sum of its proper divisors (461956450).

923912894 is a wasteful number, since it uses less digits than its factorization.

923912894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461956449.

The product of its digits is 279936, while the sum is 47.

The square root of 923912894 is about 30395.9354848638. The cubic root of 923912894 is about 973.9657299817.

The spelling of 923912894 in words is "nine hundred twenty-three million, nine hundred twelve thousand, eight hundred ninety-four".