99238738 has 8 divisors (see below), whose sum is σ = 150530940. Its totient is φ = 49061760.

The previous prime is 99238717. The next prime is 99238757. The reversal of 99238738 is 83783299.

It can be written as a sum of positive squares in 2 ways, for example, as 80946009 + 18292729 = 8997^2 + 4277^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 99238691 and 99238700.

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, 278583 + ... + 278938.

Almost surely, 2^99238738 is an apocalyptic number.

99238738 is a deficient number, since it is larger than the sum of its proper divisors (51292202).

99238738 is a wasteful number, since it uses less digits than its factorization.

99238738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557612.

The product of its digits is 653184, while the sum is 49.

The square root of 99238738 is about 9961.8641829730. The cubic root of 99238738 is about 462.9780601539.

The spelling of 99238738 in words is "ninety-nine million, two hundred thirty-eight thousand, seven hundred thirty-eight".