353406 has 8 divisors (see below), whose sum is σ = 706824. Its totient is φ = 117800.

The previous prime is 353401. The next prime is 353411. The reversal of 353406 is 604353.

It is an interprime number because it is at equal distance from previous prime (353401) and next prime (353411).

It is a sphenic number, since it is the product of 3 distinct primes.

353406 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 353406.

It is not an unprimeable number, because it can be changed into a prime (353401) by changing a digit.

353406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 29445 + ... + 29456.

It is an arithmetic number, because the mean of its divisors is an integer number (88353).

2³⁵³⁴⁰⁶ is an apocalyptic number.

353406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353406 is a wasteful number, since it uses less digits than its factorization.

353406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58906.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 353406 is about 594.4796043600. The cubic root of 353406 is about 70.7008507133.

Adding to 353406 its reverse (604353), we get a palindrome (957759).

The spelling of 353406 in words is "three hundred fifty-three thousand, four hundred six".