99038738 has 18 divisors (see below), whose sum is σ = 154184103. Its totient is φ = 47710860.

The previous prime is 99038711. The next prime is 99038767. The reversal of 99038738 is 83783099.

It can be written as a sum of positive squares in only one way, i.e., 49519369 + 49519369 = 7037^2 + 7037^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7037.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99038692 and 99038701.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 436181 + ... + 436407.

Almost surely, 2^99038738 is an apocalyptic number.

99038738 is a deficient number, since it is larger than the sum of its proper divisors (55145365).

99038738 is an equidigital number, since it uses as much as digits as its factorization.

99038738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 99038738 is about 9951.8208384195. The cubic root of 99038738 is about 462.6668312676. Note that the first 3 decimals are identical.

The spelling of 99038738 in words is "ninety-nine million, thirty-eight thousand, seven hundred thirty-eight".