818485654 has 16 divisors (see below), whose sum is σ = 1413216000. Its totient is φ = 348255144.

The previous prime is 818485651. The next prime is 818485697. The reversal of 818485654 is 456584818.

It is a junction number, because it is equal to n+sod(n) for n = 818485598 and 818485607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818485651) 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 7 ways as a sum of consecutive naturals, for example, 208354 + ... + 212245.

It is an arithmetic number, because the mean of its divisors is an integer number (88326000).

Almost surely, 2^818485654 is an apocalyptic number.

818485654 is a deficient number, since it is larger than the sum of its proper divisors (594730346).

818485654 is a wasteful number, since it uses less digits than its factorization.

818485654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420747.

The product of its digits is 1228800, while the sum is 49.

The square root of 818485654 is about 28609.1882792924. The cubic root of 818485654 is about 935.4136231284.

The spelling of 818485654 in words is "eight hundred eighteen million, four hundred eighty-five thousand, six hundred fifty-four".