944393945 has 32 divisors (see below), whose sum is σ = 1312142976. Its totient is φ = 644889600.

The previous prime is 944393941. The next prime is 944393953. The reversal of 944393945 is 549393449.

944393945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 944393945 - 2² = 944393941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 944393893 and 944393902.

It is not an unprimeable number, because it can be changed into a prime (944393941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504902 + ... + 506768.

It is an arithmetic number, because the mean of its divisors is an integer number (41004468).

Almost surely, 2^944393945 is an apocalyptic number.

It is an amenable number.

944393945 is a deficient number, since it is larger than the sum of its proper divisors (367749031).

944393945 is a wasteful number, since it uses less digits than its factorization.

944393945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441.

The product of its digits is 2099520, while the sum is 50.

The square root of 944393945 is about 30730.9932315895. The cubic root of 944393945 is about 981.1100655388.

The spelling of 944393945 in words is "nine hundred forty-four million, three hundred ninety-three thousand, nine hundred forty-five".