98653939 has 2 divisors, whose sum is σ = 98653940. Its totient is φ = 98653938.

The previous prime is 98653931. The next prime is 98653991. The reversal of 98653939 is 93935689.

It is a happy number.

It is an a-pointer prime, because the next prime (98653991) can be obtained adding 98653939 to its sum of digits (52).

It is a weak prime.

It is an emirp because it is prime and its reverse (93935689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98653939 - 2³ = 98653931 is a prime.

It is not a weakly prime, because it can be changed into another prime (98653931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49326969 + 49326970.

It is an arithmetic number, because the mean of its divisors is an integer number (49326970).

Almost surely, 2^98653939 is an apocalyptic number.

98653939 is a deficient number, since it is larger than the sum of its proper divisors (1).

98653939 is an equidigital number, since it uses as much as digits as its factorization.

98653939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 52.

The square root of 98653939 is about 9932.4689277138. The cubic root of 98653939 is about 462.0668478323.

The spelling of 98653939 in words is "ninety-eight million, six hundred fifty-three thousand, nine hundred thirty-nine".