489135938 has 8 divisors (see below), whose sum is σ = 733925820. Its totient is φ = 244494000.

The previous prime is 489135931. The next prime is 489136001. The reversal of 489135938 is 839531984.

It can be written as a sum of positive squares in 2 ways, for example, as 470152489 + 18983449 = 21683^2 + 4357^2 .

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

It is not an unprimeable number, because it can be changed into a prime (489135931) 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, 28313 + ... + 42188.

Almost surely, 2^489135938 is an apocalyptic number.

489135938 is a deficient number, since it is larger than the sum of its proper divisors (244789882).

489135938 is a wasteful number, since it uses less digits than its factorization.

489135938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73972.

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

The square root of 489135938 is about 22116.4178383390. The cubic root of 489135938 is about 787.9098398482.

The spelling of 489135938 in words is "four hundred eighty-nine million, one hundred thirty-five thousand, nine hundred thirty-eight".