487921338 has 48 divisors (see below), whose sum is σ = 1097521152. Its totient is φ = 156492000.

The previous prime is 487921283. The next prime is 487921363. The reversal of 487921338 is 833129784.

It is a junction number, because it is equal to n+sod(n) for n = 487921293 and 487921302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98583 + ... + 103413.

It is an arithmetic number, because the mean of its divisors is an integer number (22865024).

Almost surely, 2^487921338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487921338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548760576).

487921338 is an abundant number, since it is smaller than the sum of its proper divisors (609599814).

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

487921338 is a wasteful number, since it uses less digits than its factorization.

487921338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051 (or 5048 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 487921338 is about 22088.9415319069. The cubic root of 487921338 is about 787.2571320602.

The spelling of 487921338 in words is "four hundred eighty-seven million, nine hundred twenty-one thousand, three hundred thirty-eight".