2193204738 has 16 divisors (see below), whose sum is σ = 4386882240. Its totient is φ = 730989456.

The previous prime is 2193204737. The next prime is 2193204791. The reversal of 2193204738 is 8374023912.

It is a junction number, because it is equal to n+sod(n) for n = 2193204696 and 2193204705.

It is not an unprimeable number, because it can be changed into a prime (2193204737) 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, 77523 + ... + 101961.

It is an arithmetic number, because the mean of its divisors is an integer number (274180140).

Almost surely, 2^2193204738 is an apocalyptic number.

2193204738 is an abundant number, since it is smaller than the sum of its proper divisors (2193677502).

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

2193204738 is a wasteful number, since it uses less digits than its factorization.

2193204738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39401.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2193204738 is about 46831.6638397570. The cubic root of 2193204738 is about 1299.2509961526.

The spelling of 2193204738 in words is "two billion, one hundred ninety-three million, two hundred four thousand, seven hundred thirty-eight".