994818433 has 6 divisors (see below), whose sum is σ = 1157237826. Its totient is φ = 852701472.

The previous prime is 994818367. The next prime is 994818443. The reversal of 994818433 is 334818499.

It can be written as a sum of positive squares in only one way, i.e., 914034289 + 80784144 = 30233^2 + 8988^2 .

It is not a de Polignac number, because 994818433 - 2¹⁷ = 994687361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 20302417 = 994818433 / (9 + 9 + 4 + 8 + 1 + 8 + 4 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994818443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10151160 + ... + 10151257.

It is an arithmetic number, because the mean of its divisors is an integer number (192872971).

Almost surely, 2^994818433 is an apocalyptic number.

It is an amenable number.

994818433 is a deficient number, since it is larger than the sum of its proper divisors (162419393).

994818433 is a wasteful number, since it uses less digits than its factorization.

994818433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20302431 (or 20302424 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 994818433 is about 31540.7424294356. The cubic root of 994818433 is about 998.2698192008.

The spelling of 994818433 in words is "nine hundred ninety-four million, eight hundred eighteen thousand, four hundred thirty-three".