944861889 has 8 divisors (see below), whose sum is σ = 1260264960. Its totient is φ = 629683376.

The previous prime is 944861881. The next prime is 944861893. The reversal of 944861889 is 988168449.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 944861889 - 2³ = 944861881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (944861881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46062 + ... + 63335.

It is an arithmetic number, because the mean of its divisors is an integer number (157533120).

Almost surely, 2^944861889 is an apocalyptic number.

It is an amenable number.

944861889 is a deficient number, since it is larger than the sum of its proper divisors (315403071).

944861889 is a wasteful number, since it uses less digits than its factorization.

944861889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112279.

The product of its digits is 3981312, while the sum is 57.

The square root of 944861889 is about 30738.6058402134. The cubic root of 944861889 is about 981.2720843529.

The spelling of 944861889 in words is "nine hundred forty-four million, eight hundred sixty-one thousand, eight hundred eighty-nine".