489634 has 8 divisors (see below), whose sum is σ = 777708. Its totient is φ = 230400.

The previous prime is 489631. The next prime is 489653. The reversal of 489634 is 436984.

It can be written as a sum of positive squares in 2 ways, for example, as 363609 + 126025 = 603^2 + 355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 14401 = 489634 / (4 + 8 + 9 + 6 + 3 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 489634.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489631) 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, 7167 + ... + 7234.

2⁴⁸⁹⁶³⁴ is an apocalyptic number.

489634 is a deficient number, since it is larger than the sum of its proper divisors (288074).

489634 is a wasteful number, since it uses less digits than its factorization.

489634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14420.

The product of its digits is 20736, while the sum is 34.

The square root of 489634 is about 699.7385225925. The cubic root of 489634 is about 78.8177178502.

Subtracting from 489634 its reverse (436984), we obtain a triangular number (52650 = T₃₂₄).

It can be divided in two parts, 4896 and 34, that multiplied together give a square (166464 = 408²).

The spelling of 489634 in words is "four hundred eighty-nine thousand, six hundred thirty-four".