353866 has 4 divisors (see below), whose sum is σ = 530802. Its totient is φ = 176932.

The previous prime is 353833. The next prime is 353867. The reversal of 353866 is 668353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668353 = 7 ⋅95479.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 137641 = 465^2 + 371^2 .

It is a super-2 number, since 2×353866² = 250442291912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (353867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88465 + ... + 88468.

2³⁵³⁸⁶⁶ is an apocalyptic number.

353866 is a deficient number, since it is larger than the sum of its proper divisors (176936).

353866 is a wasteful number, since it uses less digits than its factorization.

353866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176935.

The product of its digits is 12960, while the sum is 31.

The square root of 353866 is about 594.8663715491. The cubic root of 353866 is about 70.7315126064.

The spelling of 353866 in words is "three hundred fifty-three thousand, eight hundred sixty-six".