99303389 has 2 divisors, whose sum is σ = 99303390. Its totient is φ = 99303388.

The previous prime is 99303361. The next prime is 99303401. The reversal of 99303389 is 98330399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78464164 + 20839225 = 8858^2 + 4565^2 .

It is a cyclic number.

It is not a de Polignac number, because 99303389 - 2⁸ = 99303133 is a prime.

It is a super-2 number, since 2×99303389² = 19722326133770642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99303359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49651694 + 49651695.

It is an arithmetic number, because the mean of its divisors is an integer number (49651695).

Almost surely, 2^99303389 is an apocalyptic number.

It is an amenable number.

99303389 is a deficient number, since it is larger than the sum of its proper divisors (1).

99303389 is an equidigital number, since it uses as much as digits as its factorization.

99303389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 99303389 is about 9965.1085794386. The cubic root of 99303389 is about 463.0785770072.

The spelling of 99303389 in words is "ninety-nine million, three hundred three thousand, three hundred eighty-nine".