4863987 has 12 divisors (see below), whose sum is σ = 7050264. Its totient is φ = 3231360.

The previous prime is 4863979. The next prime is 4864003. The reversal of 4863987 is 7893684.

It is a happy number.

4863987 is a `hidden beast` number, since 4 + 8 + 639 + 8 + 7 = 666.

It is not a de Polignac number, because 4863987 - 2³ = 4863979 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 8³ + 6⁶ + 3¹⁴ + 9 + 8⁵ + 7² .

It is not an unprimeable number, because it can be changed into a prime (4864987) 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, 2412 + ... + 3942.

It is an arithmetic number, because the mean of its divisors is an integer number (587522).

Almost surely, 2^4863987 is an apocalyptic number.

4863987 is a deficient number, since it is larger than the sum of its proper divisors (2186277).

4863987 is a wasteful number, since it uses less digits than its factorization.

4863987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1887 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4863987 is about 2205.4448530852. Note that the first 3 decimals coincide. The cubic root of 4863987 is about 169.4327924224.

The spelling of 4863987 in words is "four million, eight hundred sixty-three thousand, nine hundred eighty-seven".