994145833 has 4 divisors (see below), whose sum is σ = 1015297920. Its totient is φ = 972993748.

The previous prime is 994145821. The next prime is 994145837. The reversal of 994145833 is 338541499.

It is a happy number.

994145833 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: 338541499 = 509 ⋅665111.

It is a cyclic number.

It is not a de Polignac number, because 994145833 - 2¹⁷ = 994014761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994145837) 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, 10575973 + ... + 10576066.

It is an arithmetic number, because the mean of its divisors is an integer number (253824480).

Almost surely, 2^994145833 is an apocalyptic number.

It is an amenable number.

994145833 is a deficient number, since it is larger than the sum of its proper divisors (21152087).

994145833 is a wasteful number, since it uses less digits than its factorization.

994145833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21152086.

The product of its digits is 466560, while the sum is 46.

The square root of 994145833 is about 31530.0782269883. The cubic root of 994145833 is about 998.0447906479.

The spelling of 994145833 in words is "nine hundred ninety-four million, one hundred forty-five thousand, eight hundred thirty-three".