489085136 has 20 divisors (see below), whose sum is σ = 959021952. Its totient is φ = 241595616.

The previous prime is 489085117. The next prime is 489085151. The reversal of 489085136 is 631580984.

It is a super-2 number, since 2×489085136² = 478408540512276992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182816 + ... + 185471.

Almost surely, 2^489085136 is an apocalyptic number.

It is an amenable number.

489085136 is a deficient number, since it is larger than the sum of its proper divisors (469936816).

489085136 is a wasteful number, since it uses less digits than its factorization.

489085136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368378 (or 368372 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 489085136 is about 22115.2692952177. The cubic root of 489085136 is about 787.8825612818.

The spelling of 489085136 in words is "four hundred eighty-nine million, eighty-five thousand, one hundred thirty-six".