489746 has 4 divisors (see below), whose sum is σ = 734622. Its totient is φ = 244872.

The previous prime is 489743. The next prime is 489761. The reversal of 489746 is 647984.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 297025 + 192721 = 545^2 + 439^2 .

It is a super-2 number, since 2×489746² = 479702289032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122435 + ... + 122438.

2⁴⁸⁹⁷⁴⁶ is an apocalyptic number.

489746 is a deficient number, since it is larger than the sum of its proper divisors (244876).

489746 is a wasteful number, since it uses less digits than its factorization.

489746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244875.

The product of its digits is 48384, while the sum is 38.

The square root of 489746 is about 699.8185479108. The cubic root of 489746 is about 78.8237270403.

The spelling of 489746 in words is "four hundred eighty-nine thousand, seven hundred forty-six".