994441945 has 48 divisors (see below), whose sum is σ = 1467358848. Its totient is φ = 631572480.

The previous prime is 994441937. The next prime is 994441949. The reversal of 994441945 is 549144499.

It is not a de Polignac number, because 994441945 - 2³ = 994441937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994441949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4712890 + ... + 4713100.

It is an arithmetic number, because the mean of its divisors is an integer number (30569976).

Almost surely, 2^994441945 is an apocalyptic number.

It is an amenable number.

994441945 is a deficient number, since it is larger than the sum of its proper divisors (472916903).

994441945 is a wasteful number, since it uses less digits than its factorization.

994441945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 329 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 994441945 is about 31534.7735840928. The cubic root of 994441945 is about 998.1438719201.

The spelling of 994441945 in words is "nine hundred ninety-four million, four hundred forty-one thousand, nine hundred forty-five".