98611839 has 6 divisors (see below), whose sum is σ = 142439336. Its totient is φ = 65741220.

The previous prime is 98611819. The next prime is 98611841. The reversal of 98611839 is 93811689.

It is not a de Polignac number, because 98611839 - 2¹⁵ = 98579071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98611794 and 98611803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98611819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5478427 + ... + 5478444.

Almost surely, 2^98611839 is an apocalyptic number.

98611839 is a deficient number, since it is larger than the sum of its proper divisors (43827497).

98611839 is a wasteful number, since it uses less digits than its factorization.

98611839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10956877 (or 10956874 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 98611839 is about 9930.3493896237. The cubic root of 98611839 is about 462.0011103588.

The spelling of 98611839 in words is "ninety-eight million, six hundred eleven thousand, eight hundred thirty-nine".