98604899 has 4 divisors (see below), whose sum is σ = 98624760. Its totient is φ = 98585040.

The previous prime is 98604859. The next prime is 98604907. The reversal of 98604899 is 99840689.

It is a Cunningham number, because it is equal to 9930²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98604899 is a prime.

It is a super-2 number, since 2×98604899² = 19445852213600402, which contains 22 as substring.

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 98604899.

It is not an unprimeable number, because it can be changed into a prime (98604859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4964 + ... + 14894.

It is an arithmetic number, because the mean of its divisors is an integer number (24656190).

Almost surely, 2^98604899 is an apocalyptic number.

98604899 is a deficient number, since it is larger than the sum of its proper divisors (19861).

98604899 is an equidigital number, since it uses as much as digits as its factorization.

98604899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19860.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 98604899 is about 9929.9999496475. Note that the first 4 decimals coincide. The cubic root of 98604899 is about 461.9902720289.

The spelling of 98604899 in words is "ninety-eight million, six hundred four thousand, eight hundred ninety-nine".