352803861 has 6 divisors (see below), whose sum is σ = 509605590. Its totient is φ = 235202568.

The previous prime is 352803859. The next prime is 352803887. The reversal of 352803861 is 168308253.

352803861 is nontrivially palindromic in base 2.

It can be written as a sum of positive squares in only one way, i.e., 337640625 + 15163236 = 18375^2 + 3894^2 .

It is not a de Polignac number, because 352803861 - 2¹ = 352803859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352803851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19600206 + ... + 19600223.

It is an arithmetic number, because the mean of its divisors is an integer number (84934265).

Almost surely, 2^352803861 is an apocalyptic number.

It is an amenable number.

352803861 is a deficient number, since it is larger than the sum of its proper divisors (156801729).

352803861 is a wasteful number, since it uses less digits than its factorization.

352803861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39200435 (or 39200432 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 352803861 is about 18783.0737899844. The cubic root of 352803861 is about 706.6067412645.

The spelling of 352803861 in words is "three hundred fifty-two million, eight hundred three thousand, eight hundred sixty-one".