806454681 has 24 divisors (see below), whose sum is σ = 1127323680. Its totient is φ = 512768256.

The previous prime is 806454659. The next prime is 806454743. The reversal of 806454681 is 186454608.

It is not a de Polignac number, because 806454681 - 2¹⁰ = 806453657 is a prime.

It is a super-2 number, since 2×806454681² = 1300738305013623522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (806454611) 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 in 23 ways as a sum of consecutive naturals, for example, 867625 + ... + 868553.

It is an arithmetic number, because the mean of its divisors is an integer number (46971820).

Almost surely, 2^806454681 is an apocalyptic number.

It is an amenable number.

806454681 is a deficient number, since it is larger than the sum of its proper divisors (320868999).

806454681 is a wasteful number, since it uses less digits than its factorization.

806454681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 806454681 is about 28398.1457317199. The cubic root of 806454681 is about 930.8077466084.

The spelling of 806454681 in words is "eight hundred six million, four hundred fifty-four thousand, six hundred eighty-one".