354346 has 4 divisors (see below), whose sum is σ = 531522. Its totient is φ = 177172.

The previous prime is 354337. The next prime is 354353. The reversal of 354346 is 643453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 68121 = 535^2 + 261^2 .

It is a super-2 number, since 2×354346² = 251122175432, which contains 22 as substring.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 354346.

It is an unprimeable number.

354346 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88585 + ... + 88588.

2³⁵⁴³⁴⁶ is an apocalyptic number.

354346 is a deficient number, since it is larger than the sum of its proper divisors (177176).

354346 is a wasteful number, since it uses less digits than its factorization.

354346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177175.

The product of its digits is 4320, while the sum is 25.

The square root of 354346 is about 595.2696867807. The cubic root of 354346 is about 70.7634793082.

Adding to 354346 its reverse (643453), we get a palindrome (997799).

The spelling of 354346 in words is "three hundred fifty-four thousand, three hundred forty-six".