99838774 has 12 divisors (see below), whose sum is σ = 174208644. Its totient is φ = 42788004.

The previous prime is 99838769. The next prime is 99838799. The reversal of 99838774 is 47783899.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509284 + ... + 509479.

It is an arithmetic number, because the mean of its divisors is an integer number (14517387).

Almost surely, 2^99838774 is an apocalyptic number.

99838774 is a deficient number, since it is larger than the sum of its proper divisors (74369870).

99838774 is a wasteful number, since it uses less digits than its factorization.

99838774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018779 (or 1018772 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 99838774 is about 9991.9354481502. The cubic root of 99838774 is about 463.9093009155.

The spelling of 99838774 in words is "ninety-nine million, eight hundred thirty-eight thousand, seven hundred seventy-four".