8406673236 has 384 divisors, whose sum is σ = 26011238400. Its totient is φ = 2325818880.

The previous prime is 8406673229. The next prime is 8406673241. The reversal of 8406673236 is 6323766048.

8406673236 is a `hidden beast` number, since 8 + 406 + 6 + 7 + 3 + 236 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8406673191 and 8406673200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44013901 + ... + 44014091.

It is an arithmetic number, because the mean of its divisors is an integer number (67737600).

Almost surely, 2^8406673236 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 8406673236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13005619200).

8406673236 is an abundant number, since it is smaller than the sum of its proper divisors (17604565164).

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

8406673236 is a wasteful number, since it uses less digits than its factorization.

8406673236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The square root of 8406673236 is about 91687.9121585828. The cubic root of 8406673236 is about 2033.3308769178.

The spelling of 8406673236 in words is "eight billion, four hundred six million, six hundred seventy-three thousand, two hundred thirty-six".