489461838 has 16 divisors (see below), whose sum is σ = 980076240. Its totient is φ = 162961856.

The previous prime is 489461809. The next prime is 489461851. The reversal of 489461838 is 838164984.

It is a super-4 number, since 4×489461838⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42453 + ... + 52736.

It is an arithmetic number, because the mean of its divisors is an integer number (61254765).

Almost surely, 2^489461838 is an apocalyptic number.

489461838 is an abundant number, since it is smaller than the sum of its proper divisors (490614402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489461838 is a wasteful number, since it uses less digits than its factorization.

489461838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96051.

The product of its digits is 1327104, while the sum is 51.

The square root of 489461838 is about 22123.7844411846. The cubic root of 489461838 is about 788.0847897201.

The spelling of 489461838 in words is "four hundred eighty-nine million, four hundred sixty-one thousand, eight hundred thirty-eight".