487139896 has 16 divisors (see below), whose sum is σ = 967116240. Its totient is φ = 229242240.

The previous prime is 487139893. The next prime is 487139899. The reversal of 487139896 is 698931784.

It is an interprime number because it is at equal distance from previous prime (487139893) and next prime (487139899).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487139893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790820 + ... + 1791091.

It is an arithmetic number, because the mean of its divisors is an integer number (60444765).

Almost surely, 2^487139896 is an apocalyptic number.

It is an amenable number.

487139896 is a deficient number, since it is larger than the sum of its proper divisors (479976344).

487139896 is a wasteful number, since it uses less digits than its factorization.

487139896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581934 (or 3581930 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 487139896 is about 22071.2459095539. The cubic root of 487139896 is about 786.8366240401.

The spelling of 487139896 in words is "four hundred eighty-seven million, one hundred thirty-nine thousand, eight hundred ninety-six".