9908343900 has 576 divisors, whose sum is σ = 40052992000. Its totient is φ = 2088011520.

The previous prime is 9908343889. The next prime is 9908343901. The reversal of 9908343900 is 93438099.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9908343901) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12038889 + ... + 12039711.

Almost surely, 2^9908343900 is an apocalyptic number.

9908343900 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9908343900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20026496000).

9908343900 is an abundant number, since it is smaller than the sum of its proper divisors (30144648100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9908343900 is a wasteful number, since it uses less digits than its factorization.

9908343900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 9908343900 is about 99540.6645547437. The cubic root of 9908343900 is about 2147.8322408854.

The spelling of 9908343900 in words is "nine billion, nine hundred eight million, three hundred forty-three thousand, nine hundred".