2193872604 has 192 divisors, whose sum is σ = 6639058944. Its totient is φ = 547200000.

The previous prime is 2193872587. The next prime is 2193872609. The reversal of 2193872604 is 4062783912.

2193872604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2193872604³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193872609) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5470804 + ... + 5471204.

It is an arithmetic number, because the mean of its divisors is an integer number (34578432).

Almost surely, 2^2193872604 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 2193872604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3319529472).

2193872604 is an abundant number, since it is smaller than the sum of its proper divisors (4445186340).

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

2193872604 is a wasteful number, since it uses less digits than its factorization.

2193872604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2193872604 is about 46838.7937931796. The cubic root of 2193872604 is about 1299.3828636868.

The spelling of 2193872604 in words is "two billion, one hundred ninety-three million, eight hundred seventy-two thousand, six hundred four".