487818 has 24 divisors (see below), whose sum is σ = 1084356. Its totient is φ = 158400.

The previous prime is 487811. The next prime is 487819. The reversal of 487818 is 818784.

It can be written as a sum of positive squares in 2 ways, for example, as 480249 + 7569 = 693^2 + 87^2 .

It is a super-2 number, since 2×487818² = 475932802248, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 408 + ... + 1068.

2⁴⁸⁷⁸¹⁸ is an apocalyptic number.

487818 is an abundant number, since it is smaller than the sum of its proper divisors (596538).

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

487818 is a wasteful number, since it uses less digits than its factorization.

487818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 707 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 487818 is about 698.4396895939. The cubic root of 487818 is about 78.7201549794.

The spelling of 487818 in words is "four hundred eighty-seven thousand, eight hundred eighteen".