4084987136 has 18 divisors (see below), whose sum is σ = 8154017802. Its totient is φ = 2042493440.

The previous prime is 4084987121. The next prime is 4084987141. The reversal of 4084987136 is 6317894804.

It can be written as a sum of positive squares in only one way, i.e., 4077588736 + 7398400 = 63856^2 + 2720^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7978235 + ... + 7978746.

It is an arithmetic number, because the mean of its divisors is an integer number (453000989).

Almost surely, 2^4084987136 is an apocalyptic number.

It is an amenable number.

4084987136 is a deficient number, since it is larger than the sum of its proper divisors (4069030666).

4084987136 is an equidigital number, since it uses as much as digits as its factorization.

4084987136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15956997 (or 15956983 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 4084987136 is about 63913.9040897988. The cubic root of 4084987136 is about 1598.5647462475.

The spelling of 4084987136 in words is "four billion, eighty-four million, nine hundred eighty-seven thousand, one hundred thirty-six".