98403839 has 4 divisors (see below), whose sum is σ = 98425824. Its totient is φ = 98381856.

The previous prime is 98403787. The next prime is 98403841. The reversal of 98403839 is 93830489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93830489 = 1033 ⋅90833.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98403839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98403839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98403439) 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 3 ways as a sum of consecutive naturals, for example, 1607 + ... + 14120.

It is an arithmetic number, because the mean of its divisors is an integer number (24606456).

Almost surely, 2^98403839 is an apocalyptic number.

98403839 is a deficient number, since it is larger than the sum of its proper divisors (21985).

98403839 is a wasteful number, since it uses less digits than its factorization.

98403839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21984.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 98403839 is about 9919.8709164989. The cubic root of 98403839 is about 461.6760517728.

The spelling of 98403839 in words is "ninety-eight million, four hundred three thousand, eight hundred thirty-nine".