99338947 has 2 divisors, whose sum is σ = 99338948. Its totient is φ = 99338946.

The previous prime is 99338903. The next prime is 99338951. The reversal of 99338947 is 74983399.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99338947 - 2⁷ = 99338819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99338894 and 99338903.

It is not a weakly prime, because it can be changed into another prime (99338347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49669473 + 49669474.

It is an arithmetic number, because the mean of its divisors is an integer number (49669474).

Almost surely, 2^99338947 is an apocalyptic number.

99338947 is a deficient number, since it is larger than the sum of its proper divisors (1).

99338947 is an equidigital number, since it uses as much as digits as its factorization.

99338947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The square root of 99338947 is about 9966.8925448206. The cubic root of 99338947 is about 463.1338426036.

The spelling of 99338947 in words is "ninety-nine million, three hundred thirty-eight thousand, nine hundred forty-seven".