994346879 has 4 divisors (see below), whose sum is σ = 1037579376. Its totient is φ = 951114384.

The previous prime is 994346831. The next prime is 994346887. The reversal of 994346879 is 978643499.

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

It is a cyclic number.

It is not a de Polignac number, because 994346879 - 2²⁰ = 993298303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994346279) 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, 21616214 + ... + 21616259.

It is an arithmetic number, because the mean of its divisors is an integer number (259394844).

Almost surely, 2^994346879 is an apocalyptic number.

994346879 is a deficient number, since it is larger than the sum of its proper divisors (43232497).

994346879 is a wasteful number, since it uses less digits than its factorization.

994346879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43232496.

The product of its digits is 11757312, while the sum is 59.

The square root of 994346879 is about 31533.2662279060. The cubic root of 994346879 is about 998.1120642751.

The spelling of 994346879 in words is "nine hundred ninety-four million, three hundred forty-six thousand, eight hundred seventy-nine".