8366481 has 6 divisors (see below), whose sum is σ = 12084930. Its totient is φ = 5577648.

The previous prime is 8366461. The next prime is 8366489. The reversal of 8366481 is 1846638.

It is a happy number.

8366481 is a `hidden beast` number, since 8 + 3 + 6 + 648 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 665856 = 2775^2 + 816^2 .

It is not a de Polignac number, because 8366481 - 2⁷ = 8366353 is a prime.

It is a super-2 number, since 2×8366481² = 139996008646722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8366489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464796 + ... + 464813.

It is an arithmetic number, because the mean of its divisors is an integer number (2014155).

Almost surely, 2^8366481 is an apocalyptic number.

It is an amenable number.

8366481 is a deficient number, since it is larger than the sum of its proper divisors (3718449).

8366481 is a wasteful number, since it uses less digits than its factorization.

8366481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929615 (or 929612 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 8366481 is about 2892.4869921920. The cubic root of 8366481 is about 203.0085252877.

It can be divided in two parts, 83 and 66481, that added together give a square (66564 = 258²).

The spelling of 8366481 in words is "eight million, three hundred sixty-six thousand, four hundred eighty-one".