2193924 has 24 divisors (see below), whose sum is σ = 5342400. Its totient is φ = 699424.

The previous prime is 2193889. The next prime is 2193929. The reversal of 2193924 is 4293912.

It is a junction number, because it is equal to n+sod(n) for n = 2193891 and 2193900.

It is not an unprimeable number, because it can be changed into a prime (2193929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (222600).

2^2193924 is an apocalyptic number.

It is an amenable number.

2193924 is an abundant number, since it is smaller than the sum of its proper divisors (3148476).

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

2193924 is a wasteful number, since it uses less digits than its factorization.

2193924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979 (or 7977 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 2193924 is about 1481.1900620785. The cubic root of 2193924 is about 129.9393010517.

The spelling of 2193924 in words is "two million, one hundred ninety-three thousand, nine hundred twenty-four".