1863968 has 24 divisors (see below), whose sum is σ = 3790080. Its totient is φ = 901440.

The previous prime is 1863941. The next prime is 1863971. The reversal of 1863968 is 8693681.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 1931.

It is an arithmetic number, because the mean of its divisors is an integer number (157920).

2^1863968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1863968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895040).

1863968 is an abundant number, since it is smaller than the sum of its proper divisors (1926112).

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

1863968 is a wasteful number, since it uses less digits than its factorization.

1863968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1912 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 1863968 is about 1365.2721340451. The cubic root of 1863968 is about 123.0682856118.

The spelling of 1863968 in words is "one million, eight hundred sixty-three thousand, nine hundred sixty-eight".