352666417 has 4 divisors (see below), whose sum is σ = 352864036. Its totient is φ = 352468800.

The previous prime is 352666409. The next prime is 352666441. The reversal of 352666417 is 714666253.

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 109181601 + 243484816 = 10449^2 + 15604^2 .

It is a cyclic number.

It is not a de Polignac number, because 352666417 - 2³ = 352666409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 352666417.

It is not an unprimeable number, because it can be changed into a prime (352666487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96108 + ... + 99709.

It is an arithmetic number, because the mean of its divisors is an integer number (88216009).

Almost surely, 2^352666417 is an apocalyptic number.

It is an amenable number.

352666417 is a deficient number, since it is larger than the sum of its proper divisors (197619).

352666417 is a wasteful number, since it uses less digits than its factorization.

352666417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197618.

The product of its digits is 181440, while the sum is 40.

The square root of 352666417 is about 18779.4147139894. The cubic root of 352666417 is about 706.5149702815.

The spelling of 352666417 in words is "three hundred fifty-two million, six hundred sixty-six thousand, four hundred seventeen".