99440603 has 2 divisors, whose sum is σ = 99440604. Its totient is φ = 99440602.

The previous prime is 99440587. The next prime is 99440609. The reversal of 99440603 is 30604499.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99440603 - 2⁴ = 99440587 is a prime.

It is not a weakly prime, because it can be changed into another prime (99440609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49720301 + 49720302.

It is an arithmetic number, because the mean of its divisors is an integer number (49720302).

Almost surely, 2^99440603 is an apocalyptic number.

99440603 is a deficient number, since it is larger than the sum of its proper divisors (1).

99440603 is an equidigital number, since it uses as much as digits as its factorization.

99440603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 99440603 is about 9971.9909245847. The cubic root of 99440603 is about 463.2917675161.

The spelling of 99440603 in words is "ninety-nine million, four hundred forty thousand, six hundred three".