98970637 has 2 divisors, whose sum is σ = 98970638. Its totient is φ = 98970636.

The previous prime is 98970629. The next prime is 98970691. The reversal of 98970637 is 73607989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76370121 + 22600516 = 8739^2 + 4754^2 .

It is a cyclic number.

It is not a de Polignac number, because 98970637 - 2³ = 98970629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98970037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49485318 + 49485319.

It is an arithmetic number, because the mean of its divisors is an integer number (49485319).

Almost surely, 2^98970637 is an apocalyptic number.

It is an amenable number.

98970637 is a deficient number, since it is larger than the sum of its proper divisors (1).

98970637 is an equidigital number, since it uses as much as digits as its factorization.

98970637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 98970637 is about 9948.3987153712. The cubic root of 98970637 is about 462.5607606562.

The spelling of 98970637 in words is "ninety-eight million, nine hundred seventy thousand, six hundred thirty-seven".