98039999 has 2 divisors, whose sum is σ = 98040000. Its totient is φ = 98039998.

The previous prime is 98039971. The next prime is 98040049. The reversal of 98039999 is 99993089.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98039999 - 2¹⁶ = 97974463 is a prime.

It is a super-2 number, since 2×98039999² = 19223682807840002, which contains 22 as substring.

It is a Chen prime.

98039999 is a modest number, since divided by 9999 gives 9803 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98039959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49019999 + 49020000.

It is an arithmetic number, because the mean of its divisors is an integer number (49020000).

Almost surely, 2^98039999 is an apocalyptic number.

98039999 is a deficient number, since it is larger than the sum of its proper divisors (1).

98039999 is an equidigital number, since it uses as much as digits as its factorization.

98039999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176, while the sum is 56.

The square root of 98039999 is about 9901.5149850919. The cubic root of 98039999 is about 461.1063461301.

The spelling of 98039999 in words is "ninety-eight million, thirty-nine thousand, nine hundred ninety-nine".