487639460 has 48 divisors (see below), whose sum is σ = 1276732800. Its totient is φ = 151991040.

The previous prime is 487639423. The next prime is 487639463. The reversal of 487639460 is 64936784.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (487639463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156785 + ... + 159864.

It is an arithmetic number, because the mean of its divisors is an integer number (26598600).

Almost surely, 2^487639460 is an apocalyptic number.

It is an amenable number.

487639460 is an abundant number, since it is smaller than the sum of its proper divisors (789093340).

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

487639460 is a wasteful number, since it uses less digits than its factorization.

487639460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316676 (or 316674 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 487639460 is about 22082.5600870914. The cubic root of 487639460 is about 787.1055002323.

The spelling of 487639460 in words is "four hundred eighty-seven million, six hundred thirty-nine thousand, four hundred sixty".