99038497 has 2 divisors, whose sum is σ = 99038498. Its totient is φ = 99038496.

The previous prime is 99038477. The next prime is 99038501. The reversal of 99038497 is 79483099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94303521 + 4734976 = 9711^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 99038497 - 2⁷ = 99038369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99038497.

It is not a weakly prime, because it can be changed into another prime (99038477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49519248 + 49519249.

It is an arithmetic number, because the mean of its divisors is an integer number (49519249).

Almost surely, 2^99038497 is an apocalyptic number.

It is an amenable number.

99038497 is a deficient number, since it is larger than the sum of its proper divisors (1).

99038497 is an equidigital number, since it uses as much as digits as its factorization.

99038497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 99038497 is about 9951.8087300752. The cubic root of 99038497 is about 462.6664559842. Note that the first 3 decimals are identical.

The spelling of 99038497 in words is "ninety-nine million, thirty-eight thousand, four hundred ninety-seven".