98436839 has 8 divisors (see below), whose sum is σ = 100386000. Its totient is φ = 96497152.

The previous prime is 98436799. The next prime is 98436857. The reversal of 98436839 is 93863489.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98436839 is a prime.

It is a super-2 number, since 2×98436839² = 19379622544623842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98336839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20807 + ... + 25095.

It is an arithmetic number, because the mean of its divisors is an integer number (12548250).

Almost surely, 2^98436839 is an apocalyptic number.

98436839 is a deficient number, since it is larger than the sum of its proper divisors (1949161).

98436839 is a wasteful number, since it uses less digits than its factorization.

98436839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737.

The product of its digits is 1119744, while the sum is 50.

The square root of 98436839 is about 9921.5341051674. The cubic root of 98436839 is about 461.7276541191.

The spelling of 98436839 in words is "ninety-eight million, four hundred thirty-six thousand, eight hundred thirty-nine".