352845985 has 4 divisors (see below), whose sum is σ = 423415188. Its totient is φ = 282276784.

The previous prime is 352845973. The next prime is 352846001. The reversal of 352845985 is 589548253.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73153809 + 279692176 = 8553^2 + 16724^2 .

It is a cyclic number.

It is not a de Polignac number, because 352845985 - 2⁹ = 352845473 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35284594 + ... + 35284603.

It is an arithmetic number, because the mean of its divisors is an integer number (105853797).

Almost surely, 2^352845985 is an apocalyptic number.

It is an amenable number.

352845985 is a deficient number, since it is larger than the sum of its proper divisors (70569203).

352845985 is an equidigital number, since it uses as much as digits as its factorization.

352845985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70569202.

The product of its digits is 1728000, while the sum is 49.

The square root of 352845985 is about 18784.1950852306. The cubic root of 352845985 is about 706.6348625723.

The spelling of 352845985 in words is "three hundred fifty-two million, eight hundred forty-five thousand, nine hundred eighty-five".