1865968 has 20 divisors (see below), whose sum is σ = 3893848. Its totient is φ = 861120.

The previous prime is 1865959. The next prime is 1865987. The reversal of 1865968 is 8695681.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4278 + ... + 4693.

2^1865968 is an apocalyptic number.

It is an amenable number.

1865968 is an abundant number, since it is smaller than the sum of its proper divisors (2027880).

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

1865968 is a wasteful number, since it uses less digits than its factorization.

1865968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8992 (or 8986 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 1865968 is about 1366.0043923795. The cubic root of 1865968 is about 123.1122864728.

The spelling of 1865968 in words is "one million, eight hundred sixty-five thousand, nine hundred sixty-eight".