994261859 has 4 divisors (see below), whose sum is σ = 994725816. Its totient is φ = 993797904.

The previous prime is 994261841. The next prime is 994261883. The reversal of 994261859 is 958162499.

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 994261859 - 2¹² = 994257763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 994261859.

It is not an unprimeable number, because it can be changed into a prime (994261819) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 228749 + ... + 233054.

It is an arithmetic number, because the mean of its divisors is an integer number (248681454).

Almost surely, 2^994261859 is an apocalyptic number.

994261859 is a deficient number, since it is larger than the sum of its proper divisors (463957).

994261859 is a wasteful number, since it uses less digits than its factorization.

994261859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463956.

The product of its digits is 1399680, while the sum is 53.

The square root of 994261859 is about 31531.9180989676. The cubic root of 994261859 is about 998.0836161523.

The spelling of 994261859 in words is "nine hundred ninety-four million, two hundred sixty-one thousand, eight hundred fifty-nine".