353966 has 4 divisors (see below), whose sum is σ = 530952. Its totient is φ = 176982.

The previous prime is 353963. The next prime is 354001. The reversal of 353966 is 669353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669353 = 61 ⋅10973.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353963) 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 as a sum of consecutive naturals, namely, 88490 + ... + 88493.

It is an arithmetic number, because the mean of its divisors is an integer number (132738).

2³⁵³⁹⁶⁶ is an apocalyptic number.

353966 is a deficient number, since it is larger than the sum of its proper divisors (176986).

353966 is a wasteful number, since it uses less digits than its factorization.

353966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176985.

The product of its digits is 14580, while the sum is 32.

The square root of 353966 is about 594.9504181022. The cubic root of 353966 is about 70.7381747187.

The spelling of 353966 in words is "three hundred fifty-three thousand, nine hundred sixty-six".