487491906 has 16 divisors (see below), whose sum is σ = 1063618848. Its totient is φ = 147724800.

The previous prime is 487491899. The next prime is 487491929. The reversal of 487491906 is 609194784.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3693055 + ... + 3693186.

It is an arithmetic number, because the mean of its divisors is an integer number (66476178).

Almost surely, 2^487491906 is an apocalyptic number.

487491906 is an abundant number, since it is smaller than the sum of its proper divisors (576126942).

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

487491906 is a wasteful number, since it uses less digits than its factorization.

487491906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386257.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 487491906 is about 22079.2188720525. The cubic root of 487491906 is about 787.0261025825.

The spelling of 487491906 in words is "four hundred eighty-seven million, four hundred ninety-one thousand, nine hundred six".