3521428346 has 8 divisors (see below), whose sum is σ = 5560150080. Its totient is φ = 1668044988.

The previous prime is 3521428307. The next prime is 3521428349. The reversal of 3521428346 is 6438241253.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 92669167 = 3521428346 / (3 + 5 + 2 + 1 + 4 + 2 + 8 + 3 + 4 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3521428349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46334546 + ... + 46334621.

It is an arithmetic number, because the mean of its divisors is an integer number (695018760).

Almost surely, 2^3521428346 is an apocalyptic number.

3521428346 is a deficient number, since it is larger than the sum of its proper divisors (2038721734).

3521428346 is a wasteful number, since it uses less digits than its factorization.

3521428346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92669188.

The product of its digits is 138240, while the sum is 38.

The square root of 3521428346 is about 59341.6240593397. The cubic root of 3521428346 is about 1521.3867114780.

Adding to 3521428346 its reverse (6438241253), we get a palindrome (9959669599).

The spelling of 3521428346 in words is "three billion, five hundred twenty-one million, four hundred twenty-eight thousand, three hundred forty-six".