99944461 has 2 divisors, whose sum is σ = 99944462. Its totient is φ = 99944460.

The previous prime is 99944459. The next prime is 99944483. The reversal of 99944461 is 16444999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77334436 + 22610025 = 8794^2 + 4755^2 .

It is a cyclic number.

It is not a de Polignac number, because 99944461 - 2¹ = 99944459 is a prime.

Together with 99944459, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99944431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49972230 + 49972231.

It is an arithmetic number, because the mean of its divisors is an integer number (49972231).

Almost surely, 2^99944461 is an apocalyptic number.

It is an amenable number.

99944461 is a deficient number, since it is larger than the sum of its proper divisors (1).

99944461 is an equidigital number, since it uses as much as digits as its factorization.

99944461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 46.

The square root of 99944461 is about 9997.2226643203. Note that the first 3 decimals coincide. The cubic root of 99944461 is about 464.0729377141.

The spelling of 99944461 in words is "ninety-nine million, nine hundred forty-four thousand, four hundred sixty-one".