8131606 has 16 divisors (see below), whose sum is σ = 14021280. Its totient is φ = 3464640.

The previous prime is 8131603. The next prime is 8131609. The reversal of 8131606 is 6061318.

It is an interprime number because it is at equal distance from previous prime (8131603) and next prime (8131609).

It is a super-2 number, since 2×8131606² = 132246032278472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8131603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930 + ... + 4138.

It is an arithmetic number, because the mean of its divisors is an integer number (876330).

Almost surely, 2^8131606 is an apocalyptic number.

8131606 is a deficient number, since it is larger than the sum of its proper divisors (5889674).

8131606 is a wasteful number, since it uses less digits than its factorization.

8131606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8131606 is about 2851.5970963655. The cubic root of 8131606 is about 201.0907570970.

The spelling of 8131606 in words is "eight million, one hundred thirty-one thousand, six hundred six".