99846451 has 2 divisors, whose sum is σ = 99846452. Its totient is φ = 99846450.

The previous prime is 99846437. The next prime is 99846503. The reversal of 99846451 is 15464899.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15464899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99846451 - 2⁹ = 99845939 is a prime.

It is not a weakly prime, because it can be changed into another prime (99846251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49923225 + 49923226.

It is an arithmetic number, because the mean of its divisors is an integer number (49923226).

Almost surely, 2^99846451 is an apocalyptic number.

99846451 is a deficient number, since it is larger than the sum of its proper divisors (1).

99846451 is an equidigital number, since it uses as much as digits as its factorization.

99846451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 99846451 is about 9992.3196005732. The cubic root of 99846451 is about 463.9211912205.

The spelling of 99846451 in words is "ninety-nine million, eight hundred forty-six thousand, four hundred fifty-one".