8126406 has 48 divisors (see below), whose sum is σ = 19079424. Its totient is φ = 2587464.

The previous prime is 8126401. The next prime is 8126407. The reversal of 8126406 is 6046218.

8126406 is a `hidden beast` number, since 8 + 12 + 640 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8126406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8126401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10815 + ... + 11541.

It is an arithmetic number, because the mean of its divisors is an integer number (397488).

Almost surely, 2^8126406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8126406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9539712).

8126406 is an abundant number, since it is smaller than the sum of its proper divisors (10953018).

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

8126406 is a wasteful number, since it uses less digits than its factorization.

8126406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8126406 is about 2850.6851807943. The cubic root of 8126406 is about 201.0478834461.

The spelling of 8126406 in words is "eight million, one hundred twenty-six thousand, four hundred six".