489433 has 8 divisors (see below), whose sum is σ = 578880. Its totient is φ = 404880.

The previous prime is 489431. The next prime is 489439. The reversal of 489433 is 334984.

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

It is not a de Polignac number, because 489433 - 2¹ = 489431 is a prime.

It is a super-2 number, since 2×489433² = 479089322978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489395 and 489404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489431) 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, 1003 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (72360).

2⁴⁸⁹⁴³³ is an apocalyptic number.

It is an amenable number.

489433 is a deficient number, since it is larger than the sum of its proper divisors (89447).

489433 is a wasteful number, since it uses less digits than its factorization.

489433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447.

The product of its digits is 10368, while the sum is 31.

The square root of 489433 is about 699.5948827715. The cubic root of 489433 is about 78.8069312017.

Subtracting from 489433 its reverse (334984), we obtain a square (154449 = 393²).

The spelling of 489433 in words is "four hundred eighty-nine thousand, four hundred thirty-three".