99474247 has 2 divisors, whose sum is σ = 99474248. Its totient is φ = 99474246.

The previous prime is 99474229. The next prime is 99474299. The reversal of 99474247 is 74247499.

It is a weak prime.

It is an emirp because it is prime and its reverse (74247499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99474247 - 2¹¹ = 99472199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99474197 and 99474206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99474047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49737123 + 49737124.

It is an arithmetic number, because the mean of its divisors is an integer number (49737124).

Almost surely, 2^99474247 is an apocalyptic number.

99474247 is a deficient number, since it is larger than the sum of its proper divisors (1).

99474247 is an equidigital number, since it uses as much as digits as its factorization.

99474247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 99474247 is about 9973.6777068442. The cubic root of 99474247 is about 463.3440105309.

The spelling of 99474247 in words is "ninety-nine million, four hundred seventy-four thousand, two hundred forty-seven".