487218838 has 8 divisors (see below), whose sum is σ = 731083320. Its totient is φ = 243524400.

The previous prime is 487218817. The next prime is 487218839. The reversal of 487218838 is 838812784.

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

It is a super-2 number, since 2×487218838² = 474764392204140488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 487218791 and 487218800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487218839) 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, 35088 + ... + 46963.

It is an arithmetic number, because the mean of its divisors is an integer number (91385415).

Almost surely, 2^487218838 is an apocalyptic number.

487218838 is a deficient number, since it is larger than the sum of its proper divisors (243864482).

487218838 is a wasteful number, since it uses less digits than its factorization.

487218838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85022.

The product of its digits is 688128, while the sum is 49.

The square root of 487218838 is about 22073.0341820059. The cubic root of 487218838 is about 786.8791245636.

The spelling of 487218838 in words is "four hundred eighty-seven million, two hundred eighteen thousand, eight hundred thirty-eight".