989894367 has 24 divisors (see below), whose sum is σ = 1782668160. Its totient is φ = 514230480.

The previous prime is 989894333. The next prime is 989894369. The reversal of 989894367 is 763498989.

It is not a de Polignac number, because 989894367 - 2⁷ = 989894239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989894369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 713517 + ... + 714902.

It is an arithmetic number, because the mean of its divisors is an integer number (74277840).

Almost surely, 2^989894367 is an apocalyptic number.

989894367 is a deficient number, since it is larger than the sum of its proper divisors (792773793).

989894367 is a wasteful number, since it uses less digits than its factorization.

989894367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428443 (or 1428440 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 989894367 is about 31462.5867817635. The cubic root of 989894367 is about 996.6200444380.

The spelling of 989894367 in words is "nine hundred eighty-nine million, eight hundred ninety-four thousand, three hundred sixty-seven".