989896384 has 14 divisors (see below), whose sum is σ = 1964325764. Its totient is φ = 494948160.

The previous prime is 989896363. The next prime is 989896387. The reversal of 989896384 is 483698989.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (64), and also a Moran number because the ratio is a prime number: 15467131 = 989896384 / (9 + 8 + 9 + 8 + 9 + 6 + 3 + 8 + 4).

It is not an unprimeable number, because it can be changed into a prime (989896387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7733502 + ... + 7733629.

Almost surely, 2^989896384 is an apocalyptic number.

It is an amenable number.

989896384 is a deficient number, since it is larger than the sum of its proper divisors (974429380).

989896384 is a wasteful number, since it uses less digits than its factorization.

989896384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15467143 (or 15467133 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 64.

The square root of 989896384 is about 31462.6188356913. The cubic root of 989896384 is about 996.6207213390.

The spelling of 989896384 in words is "nine hundred eighty-nine million, eight hundred ninety-six thousand, three hundred eighty-four".