98001909 has 24 divisors (see below), whose sum is σ = 145446912. Its totient is φ = 63557280.

The previous prime is 98001901. The next prime is 98001961. The reversal of 98001909 is 90910089.

It is not a de Polignac number, because 98001909 - 2³ = 98001901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98001901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80187 + ... + 81399.

It is an arithmetic number, because the mean of its divisors is an integer number (6060288).

Almost surely, 2^98001909 is an apocalyptic number.

It is an amenable number.

98001909 is a deficient number, since it is larger than the sum of its proper divisors (47445003).

98001909 is a wasteful number, since it uses less digits than its factorization.

98001909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 98001909 is about 9899.5913552025. The cubic root of 98001909 is about 461.0466228336.

The spelling of 98001909 in words is "ninety-eight million, one thousand, nine hundred nine".