2381696 has 32 divisors (see below), whose sum is σ = 4957200. Its totient is φ = 1137664.

The previous prime is 2381693. The next prime is 2381737. The reversal of 2381696 is 6961832.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540 + ... + 3348.

2^2381696 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 2381696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2478600).

2381696 is an abundant number, since it is smaller than the sum of its proper divisors (2575504).

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

2381696 is an equidigital number, since it uses as much as digits as its factorization.

2381696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 834 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 2381696 is about 1543.2744409210. The cubic root of 2381696 is about 133.5453515722.

The spelling of 2381696 in words is "two million, three hundred eighty-one thousand, six hundred ninety-six".