994399444 has 24 divisors (see below), whose sum is σ = 1801464840. Its totient is φ = 479719296.

The previous prime is 994399433. The next prime is 994399451. The reversal of 994399444 is 444993499.

It is a happy number.

994399444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6051600 + 988347844 = 2460^2 + 31438^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271594 + ... + 275230.

It is an arithmetic number, because the mean of its divisors is an integer number (75061035).

Almost surely, 2^994399444 is an apocalyptic number.

It is an amenable number.

994399444 is a deficient number, since it is larger than the sum of its proper divisors (807065396).

994399444 is a wasteful number, since it uses less digits than its factorization.

994399444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027 (or 6025 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 55.

The square root of 994399444 is about 31534.0997017514. The cubic root of 994399444 is about 998.1296519792.

The spelling of 994399444 in words is "nine hundred ninety-four million, three hundred ninety-nine thousand, four hundred forty-four".