99119638 has 4 divisors (see below), whose sum is σ = 148679460. Its totient is φ = 49559818.

The previous prime is 99119623. The next prime is 99119653. The reversal of 99119638 is 83691199.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (99119623) and next prime (99119653).

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 as a sum of consecutive naturals, namely, 24779908 + ... + 24779911.

It is an arithmetic number, because the mean of its divisors is an integer number (37169865).

Almost surely, 2^99119638 is an apocalyptic number.

99119638 is a deficient number, since it is larger than the sum of its proper divisors (49559822).

99119638 is a wasteful number, since it uses less digits than its factorization.

99119638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49559821.

The product of its digits is 104976, while the sum is 46.

The square root of 99119638 is about 9955.8845915368. The cubic root of 99119638 is about 462.7927737709.

The spelling of 99119638 in words is "ninety-nine million, one hundred nineteen thousand, six hundred thirty-eight".