487813 has 8 divisors (see below), whose sum is σ = 508032. Its totient is φ = 468096.

The previous prime is 487811. The next prime is 487819. The reversal of 487813 is 318784.

It is a happy number.

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 487813 - 2¹ = 487811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487811) 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, 4506 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2⁴⁸⁷⁸¹³ is an apocalyptic number.

It is an amenable number.

487813 is a deficient number, since it is larger than the sum of its proper divisors (20219).

487813 is a wasteful number, since it uses less digits than its factorization.

487813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its digits is 5376, while the sum is 31.

The square root of 487813 is about 698.4361101776. The cubic root of 487813 is about 78.7198860252.

It can be divided in two parts, 48781 and 3, that added together give a palindrome (48784).

The spelling of 487813 in words is "four hundred eighty-seven thousand, eight hundred thirteen".