9561408 has 56 divisors (see below), whose sum is σ = 26639520. Its totient is φ = 3018240.

The previous prime is 9561407. The next prime is 9561421. The reversal of 9561408 is 8041659.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9561401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2338 + ... + 4958.

Almost surely, 2^9561408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9561408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13319760).

9561408 is an abundant number, since it is smaller than the sum of its proper divisors (17078112).

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

9561408 is a wasteful number, since it uses less digits than its factorization.

9561408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655 (or 2645 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 9561408 is about 3092.1526482371. The cubic root of 9561408 is about 212.2465388635.

The spelling of 9561408 in words is "nine million, five hundred sixty-one thousand, four hundred eight".