2197893830 has 64 divisors (see below), whose sum is σ = 4430764800. Its totient is φ = 778081920.

The previous prime is 2197893829. The next prime is 2197893833. The reversal of 2197893830 is 383987912.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197893833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1981316 + ... + 1982424.

It is an arithmetic number, because the mean of its divisors is an integer number (69230700).

Almost surely, 2^2197893830 is an apocalyptic number.

2197893830 is an abundant number, since it is smaller than the sum of its proper divisors (2232870970).

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

2197893830 is a wasteful number, since it uses less digits than its factorization.

2197893830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 2197893830 is about 46881.7003744531. The cubic root of 2197893830 is about 1300.1762739274.

The spelling of 2197893830 in words is "two billion, one hundred ninety-seven million, eight hundred ninety-three thousand, eight hundred thirty".