98739049 has 2 divisors, whose sum is σ = 98739050. Its totient is φ = 98739048.

The previous prime is 98739031. The next prime is 98739097. The reversal of 98739049 is 94093789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55771024 + 42968025 = 7468^2 + 6555^2 .

It is an emirp because it is prime and its reverse (94093789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98739049 - 2¹³ = 98730857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98738993 and 98739011.

It is not a weakly prime, because it can be changed into another prime (98779049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49369524 + 49369525.

It is an arithmetic number, because the mean of its divisors is an integer number (49369525).

Almost surely, 2^98739049 is an apocalyptic number.

It is an amenable number.

98739049 is a deficient number, since it is larger than the sum of its proper divisors (1).

98739049 is an equidigital number, since it uses as much as digits as its factorization.

98739049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 98739049 is about 9936.7524372906. The cubic root of 98739049 is about 462.1996866089.

The spelling of 98739049 in words is "ninety-eight million, seven hundred thirty-nine thousand, forty-nine".