968916389 has 8 divisors (see below), whose sum is σ = 1119775680. Its totient is φ = 821167776.

The previous prime is 968916383. The next prime is 968916391. The reversal of 968916389 is 983619869.

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 968916389 - 2¹² = 968912293 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 (968916383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776999 + ... + 778244.

It is an arithmetic number, because the mean of its divisors is an integer number (139971960).

Almost surely, 2^968916389 is an apocalyptic number.

It is an amenable number.

968916389 is a deficient number, since it is larger than the sum of its proper divisors (150859291).

968916389 is a wasteful number, since it uses less digits than its factorization.

968916389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555339.

The product of its digits is 5038848, while the sum is 59.

The square root of 968916389 is about 31127.4218174265. The cubic root of 968916389 is about 989.5295486074.

The spelling of 968916389 in words is "nine hundred sixty-eight million, nine hundred sixteen thousand, three hundred eighty-nine".