99338642 has 16 divisors (see below), whose sum is σ = 163500120. Its totient is φ = 44982912.

The previous prime is 99338627. The next prime is 99338671. The reversal of 99338642 is 24683399.

It can be written as a sum of positive squares in 4 ways, for example, as 88717561 + 10621081 = 9419^2 + 3259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99338593 and 99338602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34667 + ... + 37422.

Almost surely, 2^99338642 is an apocalyptic number.

99338642 is a deficient number, since it is larger than the sum of its proper divisors (64161478).

99338642 is a wasteful number, since it uses less digits than its factorization.

99338642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72157.

The product of its digits is 279936, while the sum is 44.

The square root of 99338642 is about 9966.8772441523. The cubic root of 99338642 is about 463.1333686171.

The spelling of 99338642 in words is "ninety-nine million, three hundred thirty-eight thousand, six hundred forty-two".