8619380406 has 144 divisors (see below), whose sum is σ = 23808736224. Its totient is φ = 2194504704.

The previous prime is 8619380369. The next prime is 8619380489. The reversal of 8619380406 is 6040839168.

8619380406 is a `hidden beast` number, since 86 + 1 + 93 + 80 + 406 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1374430 + ... + 1380686.

It is an arithmetic number, because the mean of its divisors is an integer number (165338446).

Almost surely, 2^8619380406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8619380406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11904368112).

8619380406 is an abundant number, since it is smaller than the sum of its proper divisors (15189355818).

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

8619380406 is a wasteful number, since it uses less digits than its factorization.

8619380406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343 (or 6311 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 8619380406 is about 92840.6182982427. The cubic root of 8619380406 is about 2050.3374741658.

The spelling of 8619380406 in words is "eight billion, six hundred nineteen million, three hundred eighty thousand, four hundred six".