8906436 has 216 divisors, whose sum is σ = 31370976. Its totient is φ = 2177280.

The previous prime is 8906423. The next prime is 8906437. The reversal of 8906436 is 6346098.

8906436 is a `hidden beast` number, since 8 + 9 + 0 + 643 + 6 = 666.

8906436 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8906436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8906437) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 523900 + ... + 523916.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

Almost surely, 2^8906436 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 8906436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15685488).

8906436 is an abundant number, since it is smaller than the sum of its proper divisors (22464540).

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

8906436 is a wasteful number, since it uses less digits than its factorization.

8906436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 8906436 is about 2984.3652591464. The cubic root of 8906436 is about 207.2850515210.

The spelling of 8906436 in words is "eight million, nine hundred six thousand, four hundred thirty-six".