487801 has 4 divisors (see below), whose sum is σ = 489204. Its totient is φ = 486400.

The previous prime is 487793. The next prime is 487811. The reversal of 487801 is 108784.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 179776 + 308025 = 424^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 487801 - 2³ = 487793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487801.

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 3 ways as a sum of consecutive naturals, for example, 261 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (122301).

2⁴⁸⁷⁸⁰¹ is an apocalyptic number.

It is an amenable number.

487801 is a deficient number, since it is larger than the sum of its proper divisors (1403).

487801 is an equidigital number, since it uses as much as digits as its factorization.

487801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 487801 is about 698.4275195036. The cubic root of 487801 is about 78.7192405275.

The spelling of 487801 in words is "four hundred eighty-seven thousand, eight hundred one".