489931358 has 16 divisors (see below), whose sum is σ = 843402240. Its totient is φ = 209090616.

The previous prime is 489931357. The next prime is 489931363. The reversal of 489931358 is 853139984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489931357) 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, 69866 + ... + 76557.

It is an arithmetic number, because the mean of its divisors is an integer number (52712640).

Almost surely, 2^489931358 is an apocalyptic number.

489931358 is a deficient number, since it is larger than the sum of its proper divisors (353470882).

489931358 is a wasteful number, since it uses less digits than its factorization.

489931358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146671.

The product of its digits is 933120, while the sum is 50.

The square root of 489931358 is about 22134.3931021386. The cubic root of 489931358 is about 788.3367013023.

The spelling of 489931358 in words is "four hundred eighty-nine million, nine hundred thirty-one thousand, three hundred fifty-eight".