1986968 has 8 divisors (see below), whose sum is σ = 3725580. Its totient is φ = 993480.

The previous prime is 1986967. The next prime is 1986989. The reversal of 1986968 is 8696891.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124178 + ... + 124193.

2^1986968 is an apocalyptic number.

It is an amenable number.

1986968 is a deficient number, since it is larger than the sum of its proper divisors (1738612).

1986968 is a wasteful number, since it uses less digits than its factorization.

1986968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248377 (or 248373 counting only the distinct ones).

The product of its digits is 186624, while the sum is 47.

The square root of 1986968 is about 1409.5985244033. The cubic root of 1986968 is about 125.7178535981.

The spelling of 1986968 in words is "one million, nine hundred eighty-six thousand, nine hundred sixty-eight".