99243407 has 2 divisors, whose sum is σ = 99243408. Its totient is φ = 99243406.

The previous prime is 99243383. The next prime is 99243437. The reversal of 99243407 is 70434299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99243407 - 2¹⁰ = 99242383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99243437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49621703 + 49621704.

It is an arithmetic number, because the mean of its divisors is an integer number (49621704).

Almost surely, 2^99243407 is an apocalyptic number.

99243407 is a deficient number, since it is larger than the sum of its proper divisors (1).

99243407 is an equidigital number, since it uses as much as digits as its factorization.

99243407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 99243407 is about 9962.0985239055. The cubic root of 99243407 is about 462.9853207953.

It can be divided in two parts, 9924 and 3407, that added together give a palindrome (13331).

The spelling of 99243407 in words is "ninety-nine million, two hundred forty-three thousand, four hundred seven".