487834641 has 18 divisors (see below), whose sum is σ = 819695682. Its totient is φ = 278762400.

The previous prime is 487834609. The next prime is 487834651. The reversal of 487834641 is 146438784.

It can be written as a sum of positive squares in only one way, i.e., 487129041 + 705600 = 22071^2 + 840^2 .

It is not a de Polignac number, because 487834641 - 2⁵ = 487834609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (487834651) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 552660 + ... + 553541.

It is an arithmetic number, because the mean of its divisors is an integer number (45538649).

Almost surely, 2^487834641 is an apocalyptic number.

It is an amenable number.

487834641 is a deficient number, since it is larger than the sum of its proper divisors (331861041).

487834641 is a wasteful number, since it uses less digits than its factorization.

487834641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106221 (or 1106211 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 487834641 is about 22086.9789921573. The cubic root of 487834641 is about 787.2105009955.

The spelling of 487834641 in words is "four hundred eighty-seven million, eight hundred thirty-four thousand, six hundred forty-one".