98999983 has 2 divisors, whose sum is σ = 98999984. Its totient is φ = 98999982.

The previous prime is 98999977. The next prime is 98999987. The reversal of 98999983 is 38999989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98999983 - 2⁹ = 98999471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98999987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49499991 + 49499992.

It is an arithmetic number, because the mean of its divisors is an integer number (49499992).

Almost surely, 2^98999983 is an apocalyptic number.

98999983 is a deficient number, since it is larger than the sum of its proper divisors (1).

98999983 is an equidigital number, since it uses as much as digits as its factorization.

98999983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 64.

The square root of 98999983 is about 9949.8735167840. The cubic root of 98999983 is about 462.6064744391.

The spelling of 98999983 in words is "ninety-eight million, nine hundred ninety-nine thousand, nine hundred eighty-three".