489967 has 4 divisors (see below), whose sum is σ = 492856. Its totient is φ = 487080.

The previous prime is 489961. The next prime is 489977. The reversal of 489967 is 769984.

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

It is a cyclic number.

It is not a de Polignac number, because 489967 - 2³ = 489959 is a prime.

It is a super-2 number, since 2×489967² = 480135322178, which contains 22 as substring.

It is a Duffinian number.

489967 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489961) 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, 1173 + ... + 1534.

It is an arithmetic number, because the mean of its divisors is an integer number (123214).

2⁴⁸⁹⁹⁶⁷ is an apocalyptic number.

489967 is a deficient number, since it is larger than the sum of its proper divisors (2889).

489967 is a wasteful number, since it uses less digits than its factorization.

489967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888.

The product of its digits is 108864, while the sum is 43.

The square root of 489967 is about 699.9764281745. The cubic root of 489967 is about 78.8355817732.

The spelling of 489967 in words is "four hundred eighty-nine thousand, nine hundred sixty-seven".