2193923952 has 120 divisors (see below), whose sum is σ = 6729235968. Its totient is φ = 661737600.

The previous prime is 2193923929. The next prime is 2193924067. The reversal of 2193923952 is 2593293912.

It is a junction number, because it is equal to n+sod(n) for n = 2193923898 and 2193923907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350127 + ... + 356337.

Almost surely, 2^2193923952 is an apocalyptic number.

2193923952 is a gapful number since it is divisible by the number (22) 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 2193923952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3364617984).

2193923952 is an abundant number, since it is smaller than the sum of its proper divisors (4535312016).

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

2193923952 is a wasteful number, since it uses less digits than its factorization.

2193923952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459 (or 6450 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 2193923952 is about 46839.3419253516. The cubic root of 2193923952 is about 1299.3930010409.

The spelling of 2193923952 in words is "two billion, one hundred ninety-three million, nine hundred twenty-three thousand, nine hundred fifty-two".