99321938 has 8 divisors (see below), whose sum is σ = 149227788. Its totient is φ = 49579344.

The previous prime is 99321919. The next prime is 99321983. The reversal of 99321938 is 83912399.

It can be written as a sum of positive squares in 2 ways, for example, as 61042969 + 38278969 = 7813^2 + 6187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 39281 + ... + 41732.

Almost surely, 2^99321938 is an apocalyptic number.

99321938 is a deficient number, since it is larger than the sum of its proper divisors (49905850).

99321938 is a wasteful number, since it uses less digits than its factorization.

99321938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81628.

The product of its digits is 104976, while the sum is 44.

The square root of 99321938 is about 9966.0392333163. The cubic root of 99321938 is about 463.1074082144.

The spelling of 99321938 in words is "ninety-nine million, three hundred twenty-one thousand, nine hundred thirty-eight".