99948449 has 2 divisors, whose sum is σ = 99948450. Its totient is φ = 99948448.

The previous prime is 99948437. The next prime is 99948463. The reversal of 99948449 is 94484999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66308449 + 33640000 = 8143^2 + 5800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99948449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99948394 and 99948403.

It is not a weakly prime, because it can be changed into another prime (99948479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49974224 + 49974225.

It is an arithmetic number, because the mean of its divisors is an integer number (49974225).

Almost surely, 2^99948449 is an apocalyptic number.

It is an amenable number.

99948449 is a deficient number, since it is larger than the sum of its proper divisors (1).

99948449 is an equidigital number, since it uses as much as digits as its factorization.

99948449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 56.

The square root of 99948449 is about 9997.4221177261. The cubic root of 99948449 is about 464.0791101364.

The spelling of 99948449 in words is "ninety-nine million, nine hundred forty-eight thousand, four hundred forty-nine".