481855986 has 16 divisors (see below), whose sum is σ = 1070791200. Its totient is φ = 160618644.

The previous prime is 481855981. The next prime is 481855993. The reversal of 481855986 is 689558184.

It is a happy number.

481855986 is a `hidden beast` number, since 4 + 8 + 1 + 8 + 559 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 8923259 = 481855986 / (4 + 8 + 1 + 8 + 5 + 5 + 9 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (481855981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4461576 + ... + 4461683.

It is an arithmetic number, because the mean of its divisors is an integer number (66924450).

Almost surely, 2^481855986 is an apocalyptic number.

481855986 is an abundant number, since it is smaller than the sum of its proper divisors (588935214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

481855986 is a wasteful number, since it uses less digits than its factorization.

481855986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923270 (or 8923264 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 481855986 is about 21951.2183260975. The cubic root of 481855986 is about 783.9813886062.

The spelling of 481855986 in words is "four hundred eighty-one million, eight hundred fifty-five thousand, nine hundred eighty-six".