99189446 has 16 divisors (see below), whose sum is σ = 150057360. Its totient is φ = 49172640.

The previous prime is 99189437. The next prime is 99189463. The reversal of 99189446 is 64498199.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 99189394 and 99189403.

It is a congruent number.

It is an unprimeable number.

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, 177800 + ... + 178356.

It is an arithmetic number, because the mean of its divisors is an integer number (9378585).

Almost surely, 2^99189446 is an apocalyptic number.

99189446 is a deficient number, since it is larger than the sum of its proper divisors (50867914).

99189446 is a wasteful number, since it uses less digits than its factorization.

99189446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159.

The product of its digits is 559872, while the sum is 50.

The square root of 99189446 is about 9959.3898407483. The cubic root of 99189446 is about 462.9013935401.

The spelling of 99189446 in words is "ninety-nine million, one hundred eighty-nine thousand, four hundred forty-six".