1863696 has 40 divisors (see below), whose sum is σ = 4937184. Its totient is φ = 605440.

The previous prime is 1863683. The next prime is 1863707. The reversal of 1863696 is 6963681.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495 + ... + 2441.

2^1863696 is an apocalyptic number.

1863696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1863696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2468592).

1863696 is an abundant number, since it is smaller than the sum of its proper divisors (3073488).

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

1863696 is a wasteful number, since it uses less digits than its factorization.

1863696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 993 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 1863696 is about 1365.1725165707. The cubic root of 1863696 is about 123.0622990637.

The spelling of 1863696 in words is "one million, eight hundred sixty-three thousand, six hundred ninety-six".