8551408 has 40 divisors (see below), whose sum is σ = 17744400. Its totient is φ = 3978240.

The previous prime is 8551397. The next prime is 8551409. The reversal of 8551408 is 8041558.

8551408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 8551408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8551409) 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, 40423 + ... + 40633.

It is an arithmetic number, because the mean of its divisors is an integer number (443610).

Almost surely, 2^8551408 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 8551408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8872200).

8551408 is an abundant number, since it is smaller than the sum of its proper divisors (9192992).

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

8551408 is a wasteful number, since it uses less digits than its factorization.

8551408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 8551408 is about 2924.2790564514. The cubic root of 8551408 is about 204.4933592613.

The spelling of 8551408 in words is "eight million, five hundred fifty-one thousand, four hundred eight".