1986484107 has 4 divisors (see below), whose sum is σ = 2648645480. Its totient is φ = 1324322736.

The previous prime is 1986484063. The next prime is 1986484141. The reversal of 1986484107 is 7014846891.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1986484107 - 2¹⁵ = 1986451339 is a prime.

It is a super-2 number, since 2×1986484107² = 7892238214727174898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1986484147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331080682 + ... + 331080687.

It is an arithmetic number, because the mean of its divisors is an integer number (662161370).

Almost surely, 2^1986484107 is an apocalyptic number.

1986484107 is a deficient number, since it is larger than the sum of its proper divisors (662161373).

1986484107 is an equidigital number, since it uses as much as digits as its factorization.

1986484107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662161372.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1986484107 is about 44569.9911038806. The cubic root of 1986484107 is about 1257.0764727226.

The spelling of 1986484107 in words is "one billion, nine hundred eighty-six million, four hundred eighty-four thousand, one hundred seven".