1986712848 has 30 divisors (see below), whose sum is σ = 5560037054. Its totient is φ = 662237568.

The previous prime is 1986712829. The next prime is 1986712919. The reversal of 1986712848 is 8482176891.

It can be written as a sum of positive squares in only one way, i.e., 1813737744 + 172975104 = 42588^2 + 13152^2 .

It is a super-3 number, since 3×1986712848³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1986712794 and 1986712803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6898165 + ... + 6898452.

Almost surely, 2^1986712848 is an apocalyptic number.

1986712848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1986712848 is an abundant number, since it is smaller than the sum of its proper divisors (3573324206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1986712848 is a wasteful number, since it uses less digits than its factorization.

1986712848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13796631 (or 13796622 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The square root of 1986712848 is about 44572.5571175808. The cubic root of 1986712848 is about 1257.1247210981.

The spelling of 1986712848 in words is "one billion, nine hundred eighty-six million, seven hundred twelve thousand, eight hundred forty-eight".