1986262968 has 32 divisors (see below), whose sum is σ = 5047065360. Its totient is φ = 651233280.

The previous prime is 1986262921. The next prime is 1986262981. The reversal of 1986262968 is 8692626891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676905 + ... + 679832.

Almost surely, 2^1986262968 is an apocalyptic number.

It is an amenable number.

1986262968 is an abundant number, since it is smaller than the sum of its proper divisors (3060802392).

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

1986262968 is a wasteful number, since it uses less digits than its factorization.

1986262968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356807 (or 1356803 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 57.

The square root of 1986262968 is about 44567.5102288652. The cubic root of 1986262968 is about 1257.0298243168.

The spelling of 1986262968 in words is "one billion, nine hundred eighty-six million, two hundred sixty-two thousand, nine hundred sixty-eight".