989996193 has 12 divisors (see below), whose sum is σ = 1430267280. Its totient is φ = 659871576.

The previous prime is 989996167. The next prime is 989996219. The reversal of 989996193 is 391699989.

989996193 is a `hidden beast` number, since 9 + 8 + 9 + 9 + 9 + 619 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (989996167) and next prime (989996219).

It is not a de Polignac number, because 989996193 - 2²² = 985801889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 989996193.

It is not an unprimeable number, because it can be changed into a prime (989996093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86818 + ... + 97556.

It is an arithmetic number, because the mean of its divisors is an integer number (119188940).

Almost surely, 2^989996193 is an apocalyptic number.

It is an amenable number.

989996193 is a deficient number, since it is larger than the sum of its proper divisors (440271087).

989996193 is a wasteful number, since it uses less digits than its factorization.

989996193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20988 (or 20985 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 63.

The square root of 989996193 is about 31464.2049478451. The cubic root of 989996193 is about 996.6542158798.

The spelling of 989996193 in words is "nine hundred eighty-nine million, nine hundred ninety-six thousand, one hundred ninety-three".