98899421 has 16 divisors (see below), whose sum is σ = 109589760. Its totient is φ = 88849920.

The previous prime is 98899403. The next prime is 98899433. The reversal of 98899421 is 12499889.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98899421 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 98899421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98899121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31250 + ... + 34268.

It is an arithmetic number, because the mean of its divisors is an integer number (6849360).

Almost surely, 2^98899421 is an apocalyptic number.

It is an amenable number.

98899421 is a deficient number, since it is larger than the sum of its proper divisors (10690339).

98899421 is a wasteful number, since it uses less digits than its factorization.

98899421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124.

The product of its digits is 373248, while the sum is 50.

The square root of 98899421 is about 9944.8188017681. The cubic root of 98899421 is about 462.4497862212.

The spelling of 98899421 in words is "ninety-eight million, eight hundred ninety-nine thousand, four hundred twenty-one".