3428821394 has 8 divisors (see below), whose sum is σ = 5144371968. Its totient is φ = 1714030740.

The previous prime is 3428821391. The next prime is 3428821411. The reversal of 3428821394 is 4931288243.

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 (3428821391) 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, 178562 + ... + 196829.

It is an arithmetic number, because the mean of its divisors is an integer number (643046496).

Almost surely, 2^3428821394 is an apocalyptic number.

3428821394 is a deficient number, since it is larger than the sum of its proper divisors (1715550574).

3428821394 is a wasteful number, since it uses less digits than its factorization.

3428821394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379960.

The product of its digits is 331776, while the sum is 44.

The square root of 3428821394 is about 58556.1388242087. The cubic root of 3428821394 is about 1507.9315265224.

The spelling of 3428821394 in words is "three billion, four hundred twenty-eight million, eight hundred twenty-one thousand, three hundred ninety-four".