8266631 has 4 divisors (see below), whose sum is σ = 8351952. Its totient is φ = 8181312.

The previous prime is 8266613. The next prime is 8266633. The reversal of 8266631 is 1366628.

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

It is a cyclic number.

It is not a de Polignac number, because 8266631 - 2⁶ = 8266567 is a prime.

It is a super-2 number, since 2×8266631² = 136674376180322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8266633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42515 + ... + 42708.

It is an arithmetic number, because the mean of its divisors is an integer number (2087988).

Almost surely, 2^8266631 is an apocalyptic number.

8266631 is a deficient number, since it is larger than the sum of its proper divisors (85321).

8266631 is an equidigital number, since it uses as much as digits as its factorization.

8266631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85320.

The product of its digits is 10368, while the sum is 32.

The square root of 8266631 is about 2875.1749511986. The cubic root of 8266631 is about 202.1976873967.

The spelling of 8266631 in words is "eight million, two hundred sixty-six thousand, six hundred thirty-one".