4193940836 has 12 divisors (see below), whose sum is σ = 7362847212. Its totient is φ = 2090270208.

The previous prime is 4193940833. The next prime is 4193940847. The reversal of 4193940836 is 6380493914.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55591936 + 4138348900 = 7456^2 + 64330^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4193940833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673645 + ... + 1676148.

It is an arithmetic number, because the mean of its divisors is an integer number (613570601).

Almost surely, 2^4193940836 is an apocalyptic number.

It is an amenable number.

4193940836 is a deficient number, since it is larger than the sum of its proper divisors (3168906376).

4193940836 is a wasteful number, since it uses less digits than its factorization.

4193940836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350110 (or 3350108 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 4193940836 is about 64760.6426465952. The cubic root of 4193940836 is about 1612.6523973185.

The spelling of 4193940836 in words is "four billion, one hundred ninety-three million, nine hundred forty thousand, eight hundred thirty-six".