489023579 has 8 divisors (see below), whose sum is σ = 544831488. Its totient is φ = 435107560.

The previous prime is 489023573. The next prime is 489023597. The reversal of 489023579 is 975320984.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 489023579 - 2⁸ = 489023323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489023573) 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, 472427 + ... + 473460.

It is an arithmetic number, because the mean of its divisors is an integer number (68103936).

Almost surely, 2^489023579 is an apocalyptic number.

489023579 is a deficient number, since it is larger than the sum of its proper divisors (55807909).

489023579 is a wasteful number, since it uses less digits than its factorization.

489023579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945945.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 489023579 is about 22113.8775206882. The cubic root of 489023579 is about 787.8495051953.

The spelling of 489023579 in words is "four hundred eighty-nine million, twenty-three thousand, five hundred seventy-nine".