481957986 has 16 divisors (see below), whose sum is σ = 976118400. Its totient is φ = 158618928.

The previous prime is 481957963. The next prime is 481958021. The reversal of 481957986 is 689759184.

It is a Curzon number.

It is an unprimeable number.

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, 507921 + ... + 508868.

It is an arithmetic number, because the mean of its divisors is an integer number (61007400).

Almost surely, 2^481957986 is an apocalyptic number.

481957986 is an abundant number, since it is smaller than the sum of its proper divisors (494160414).

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

481957986 is a wasteful number, since it uses less digits than its factorization.

481957986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016873.

The product of its digits is 4354560, while the sum is 57.

The square root of 481957986 is about 21953.5415366177. The cubic root of 481957986 is about 784.0367028232.

The spelling of 481957986 in words is "four hundred eighty-one million, nine hundred fifty-seven thousand, nine hundred eighty-six".