489214321 has 4 divisors (see below), whose sum is σ = 517991652. Its totient is φ = 460436992.

The previous prime is 489214291. The next prime is 489214343. The reversal of 489214321 is 123412984.

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

It can be written as a sum of positive squares in 2 ways, for example, as 413715600 + 75498721 = 20340^2 + 8689^2 .

It is a cyclic number.

It is not a de Polignac number, because 489214321 - 2²⁵ = 455659889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489214351) 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, 14388640 + ... + 14388673.

It is an arithmetic number, because the mean of its divisors is an integer number (129497913).

Almost surely, 2^489214321 is an apocalyptic number.

It is an amenable number.

489214321 is a deficient number, since it is larger than the sum of its proper divisors (28777331).

489214321 is a wasteful number, since it uses less digits than its factorization.

489214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28777330.

The product of its digits is 13824, while the sum is 34.

The square root of 489214321 is about 22118.1898219542. The cubic root of 489214321 is about 787.9519245623.

It can be divided in two parts, 48921 and 4321, that multiplied together give a triangular number (211387641 = T₂₀₅₆₁).

The spelling of 489214321 in words is "four hundred eighty-nine million, two hundred fourteen thousand, three hundred twenty-one".