481987 has 8 divisors (see below), whose sum is σ = 538560. Its totient is φ = 427560.

The previous prime is 481963. The next prime is 481997. The reversal of 481987 is 789184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481987 - 2¹¹ = 479939 is a prime.

It is a super-2 number, since 2×481987² = 464622936338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481997) 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 7 ways as a sum of consecutive naturals, for example, 37 + ... + 982.

It is an arithmetic number, because the mean of its divisors is an integer number (67320).

2⁴⁸¹⁹⁸⁷ is an apocalyptic number.

481987 is a deficient number, since it is larger than the sum of its proper divisors (56573).

481987 is a wasteful number, since it uses less digits than its factorization.

481987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073.

The product of its digits is 16128, while the sum is 37.

The square root of 481987 is about 694.2528357882. The cubic root of 481987 is about 78.4052435581.

It can be divided in two parts, 48198 and 7, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 481987 in words is "four hundred eighty-one thousand, nine hundred eighty-seven".