3821823442 has 8 divisors (see below), whose sum is σ = 5762439036. Its totient is φ = 1901010432.

The previous prime is 3821823433. The next prime is 3821823449. The reversal of 3821823442 is 2443281283.

It can be written as a sum of positive squares in 2 ways, for example, as 3777454521 + 44368921 = 61461^2 + 6661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3821823449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4950163 + ... + 4950934.

Almost surely, 2^3821823442 is an apocalyptic number.

3821823442 is a deficient number, since it is larger than the sum of its proper divisors (1940615594).

3821823442 is a wasteful number, since it uses less digits than its factorization.

3821823442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901292.

The product of its digits is 73728, while the sum is 37.

The square root of 3821823442 is about 61820.8981008849. The cubic root of 3821823442 is about 1563.4723553849.

The spelling of 3821823442 in words is "three billion, eight hundred twenty-one million, eight hundred twenty-three thousand, four hundred forty-two".