994412403 has 16 divisors (see below), whose sum is σ = 1473690400. Its totient is φ = 662722560.

The previous prime is 994412369. The next prime is 994412411. The reversal of 994412403 is 304214499.

It is not a de Polignac number, because 994412403 - 2⁶ = 994412339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994413403) 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 15 ways as a sum of consecutive naturals, for example, 149043 + ... + 155571.

It is an arithmetic number, because the mean of its divisors is an integer number (92105650).

Almost surely, 2^994412403 is an apocalyptic number.

994412403 is a deficient number, since it is larger than the sum of its proper divisors (479277997).

994412403 is a wasteful number, since it uses less digits than its factorization.

994412403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12179 (or 12173 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 994412403 is about 31534.3051770607. The cubic root of 994412403 is about 998.1339878311.

The spelling of 994412403 in words is "nine hundred ninety-four million, four hundred twelve thousand, four hundred three".