1984463487 has 12 divisors (see below), whose sum is σ = 2866896864. Its totient is φ = 1322768160.

The previous prime is 1984463423. The next prime is 1984463491. The reversal of 1984463487 is 7843644891.

1984463487 is a `hidden beast` number, since 1 + 98 + 446 + 34 + 87 = 666.

1984463487 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1984463487 - 2⁶ = 1984463423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984463497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62803 + ... + 88955.

It is an arithmetic number, because the mean of its divisors is an integer number (238908072).

Almost surely, 2^1984463487 is an apocalyptic number.

1984463487 is a deficient number, since it is larger than the sum of its proper divisors (882433377).

1984463487 is a wasteful number, since it uses less digits than its factorization.

1984463487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34590 (or 34587 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 1984463487 is about 44547.3173939801. The cubic root of 1984463487 is about 1256.6501020675.

The spelling of 1984463487 in words is "one billion, nine hundred eighty-four million, four hundred sixty-three thousand, four hundred eighty-seven".