99458237 has 2 divisors, whose sum is σ = 99458238. Its totient is φ = 99458236.

The previous prime is 99458209. The next prime is 99458267. The reversal of 99458237 is 73285499.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89510521 + 9947716 = 9461^2 + 3154^2 .

It is a cyclic number.

It is not a de Polignac number, because 99458237 - 2¹⁰ = 99457213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99458191 and 99458200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99458207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49729118 + 49729119.

It is an arithmetic number, because the mean of its divisors is an integer number (49729119).

Almost surely, 2^99458237 is an apocalyptic number.

It is an amenable number.

99458237 is a deficient number, since it is larger than the sum of its proper divisors (1).

99458237 is an equidigital number, since it uses as much as digits as its factorization.

99458237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 99458237 is about 9972.8750618866. The cubic root of 99458237 is about 463.3191513812.

The spelling of 99458237 in words is "ninety-nine million, four hundred fifty-eight thousand, two hundred thirty-seven".