487634 has 16 divisors (see below), whose sum is σ = 851136. Its totient is φ = 205200.

The previous prime is 487607. The next prime is 487637. The reversal of 487634 is 436784.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 487634.

It is not an unprimeable number, because it can be changed into a prime (487637) 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, 569 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (53196).

2⁴⁸⁷⁶³⁴ is an apocalyptic number.

487634 is a deficient number, since it is larger than the sum of its proper divisors (363502).

487634 is a wasteful number, since it uses less digits than its factorization.

487634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its digits is 16128, while the sum is 32.

The square root of 487634 is about 698.3079549883. The cubic root of 487634 is about 78.7102562535.

The spelling of 487634 in words is "four hundred eighty-seven thousand, six hundred thirty-four".