487656438 has 16 divisors (see below), whose sum is σ = 981860400. Its totient is φ = 161460896.

The previous prime is 487656437. The next prime is 487656461. The reversal of 487656438 is 834656784.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487656437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271845 + ... + 273632.

It is an arithmetic number, because the mean of its divisors is an integer number (61366275).

Almost surely, 2^487656438 is an apocalyptic number.

487656438 is an abundant number, since it is smaller than the sum of its proper divisors (494203962).

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

487656438 is a wasteful number, since it uses less digits than its factorization.

487656438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545631.

The product of its digits is 3870720, while the sum is 51.

The square root of 487656438 is about 22082.9445047530. The cubic root of 487656438 is about 787.1146349334.

The spelling of 487656438 in words is "four hundred eighty-seven million, six hundred fifty-six thousand, four hundred thirty-eight".