9809408 has 120 divisors (see below), whose sum is σ = 25190352. Its totient is φ = 3784704.

The previous prime is 9809407. The next prime is 9809419. The reversal of 9809408 is 8049089.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9809407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426485 + ... + 426507.

Almost surely, 2^9809408 is an apocalyptic number.

9809408 is a gapful number since it is divisible by the number (98) 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 9809408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12595176).

9809408 is an abundant number, since it is smaller than the sum of its proper divisors (15380944).

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

9809408 is a wasteful number, since it uses less digits than its factorization.

9809408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 9809408 is about 3131.9974457205. The cubic root of 9809408 is about 214.0659534101.

The spelling of 9809408 in words is "nine million, eight hundred nine thousand, four hundred eight".