2193686976 has 112 divisors (see below), whose sum is σ = 6452461568. Its totient is φ = 653184000.

The previous prime is 2193686959. The next prime is 2193687017. The reversal of 2193686976 is 6796863912.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63201 + ... + 91551.

It is an arithmetic number, because the mean of its divisors is an integer number (57611264).

Almost surely, 2^2193686976 is an apocalyptic number.

2193686976 is a gapful number since it is divisible by the number (26) 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 2193686976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3226230784).

2193686976 is an abundant number, since it is smaller than the sum of its proper divisors (4258774592).

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

2193686976 is a wasteful number, since it uses less digits than its factorization.

2193686976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28410 (or 28400 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The square root of 2193686976 is about 46836.8121887047. The cubic root of 2193686976 is about 1299.3462148487.

The spelling of 2193686976 in words is "two billion, one hundred ninety-three million, six hundred eighty-six thousand, nine hundred seventy-six".