487641 has 16 divisors (see below), whose sum is σ = 811008. Its totient is φ = 253200.

The previous prime is 487637. The next prime is 487649. The reversal of 487641 is 146784.

It is not a de Polignac number, because 487641 - 2² = 487637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 487599 and 487608.

It is not an unprimeable number, because it can be changed into a prime (487649) 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 15 ways as a sum of consecutive naturals, for example, 825 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (50688).

2⁴⁸⁷⁶⁴¹ is an apocalyptic number.

It is an amenable number.

487641 is a deficient number, since it is larger than the sum of its proper divisors (323367).

487641 is a wasteful number, since it uses less digits than its factorization.

487641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132.

The product of its digits is 5376, while the sum is 30.

The square root of 487641 is about 698.3129670857. The cubic root of 487641 is about 78.7106328810.

It can be divided in two parts, 487 and 641, that added together give a triangular number (1128 = T₄₇).

The spelling of 487641 in words is "four hundred eighty-seven thousand, six hundred forty-one".