8456481 has 20 divisors (see below), whose sum is σ = 13782384. Its totient is φ = 5124600.

The previous prime is 8456473. The next prime is 8456489. The reversal of 8456481 is 1846548.

8456481 is a `hidden beast` number, since 8 + 4 + 5 + 648 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (8456473) and next prime (8456489).

It is not a de Polignac number, because 8456481 - 2³ = 8456473 is a prime.

It is a super-2 number, since 2×8456481² = 143024141806722, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8456489) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3855 + ... + 5636.

Almost surely, 2^8456481 is an apocalyptic number.

8456481 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8456481 is a deficient number, since it is larger than the sum of its proper divisors (5325903).

8456481 is a wasteful number, since it uses less digits than its factorization.

8456481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9514 (or 9505 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 8456481 is about 2908.0029229696. The cubic root of 8456481 is about 203.7338657604.

It can be divided in two parts, 84 and 56481, that added together give a palindrome (56565).

The spelling of 8456481 in words is "eight million, four hundred fifty-six thousand, four hundred eighty-one".