98139807 has 24 divisors (see below), whose sum is σ = 152405760. Its totient is φ = 60659280.

The previous prime is 98139761. The next prime is 98139817. The reversal of 98139807 is 70893189.

It is not a de Polignac number, because 98139807 - 2¹⁰ = 98138783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98139817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1932 + ... + 14142.

It is an arithmetic number, because the mean of its divisors is an integer number (6350240).

Almost surely, 2^98139807 is an apocalyptic number.

98139807 is a deficient number, since it is larger than the sum of its proper divisors (54265953).

98139807 is a wasteful number, since it uses less digits than its factorization.

98139807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12283 (or 12280 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 98139807 is about 9906.5537398229. The cubic root of 98139807 is about 461.2627669588.

The spelling of 98139807 in words is "ninety-eight million, one hundred thirty-nine thousand, eight hundred seven".