944428693 has 16 divisors (see below), whose sum is σ = 1079096256. Its totient is φ = 818830080.

The previous prime is 944428643. The next prime is 944428757. The reversal of 944428693 is 396824449.

944428693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 944428693 - 2¹³ = 944420501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944428643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111498 + ... + 119668.

It is an arithmetic number, because the mean of its divisors is an integer number (67443516).

Almost surely, 2^944428693 is an apocalyptic number.

It is an amenable number.

944428693 is a deficient number, since it is larger than the sum of its proper divisors (134667563).

944428693 is a wasteful number, since it uses less digits than its factorization.

944428693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724.

The product of its digits is 1492992, while the sum is 49.

The square root of 944428693 is about 30731.5585839703. The cubic root of 944428693 is about 981.1220983685.

The spelling of 944428693 in words is "nine hundred forty-four million, four hundred twenty-eight thousand, six hundred ninety-three".