8163406 has 4 divisors (see below), whose sum is σ = 12245112. Its totient is φ = 4081702.

The previous prime is 8163401. The next prime is 8163427. The reversal of 8163406 is 6043618.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×8163406³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8163401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040850 + ... + 2040853.

It is an arithmetic number, because the mean of its divisors is an integer number (3061278).

Almost surely, 2^8163406 is an apocalyptic number.

8163406 is a deficient number, since it is larger than the sum of its proper divisors (4081706).

8163406 is a wasteful number, since it uses less digits than its factorization.

8163406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081705.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8163406 is about 2857.1674784653. The cubic root of 8163406 is about 201.3525491018.

The spelling of 8163406 in words is "eight million, one hundred sixty-three thousand, four hundred six".