3185428443 has 8 divisors (see below), whose sum is σ = 4251924288. Its totient is φ = 2121275784.

The previous prime is 3185428429. The next prime is 3185428453. The reversal of 3185428443 is 3448245813.

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

It is not a de Polignac number, because 3185428443 - 2¹⁶ = 3185362907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3185428395 and 3185428404.

It is not an unprimeable number, because it can be changed into a prime (3185428453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582621 + ... + 588062.

It is an arithmetic number, because the mean of its divisors is an integer number (531490536).

Almost surely, 2^3185428443 is an apocalyptic number.

3185428443 is a deficient number, since it is larger than the sum of its proper divisors (1066495845).

3185428443 is a wasteful number, since it uses less digits than its factorization.

3185428443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171593.

The product of its digits is 368640, while the sum is 42.

The square root of 3185428443 is about 56439.5999542874. The cubic root of 3185428443 is about 1471.3724426156.

The spelling of 3185428443 in words is "three billion, one hundred eighty-five million, four hundred twenty-eight thousand, four hundred forty-three".