354216 has 16 divisors (see below), whose sum is σ = 885600. Its totient is φ = 118064.

The previous prime is 354209. The next prime is 354247. The reversal of 354216 is 612453.

It is a happy number.

It is a super-3 number, since 3×354216³ = 133329354980249088, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354192 and 354201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7356 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (55350).

2³⁵⁴²¹⁶ is an apocalyptic number.

It is an amenable number.

354216 is an abundant number, since it is smaller than the sum of its proper divisors (531384).

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

354216 is a wasteful number, since it uses less digits than its factorization.

354216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14768 (or 14764 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 354216 is about 595.1604825591. The cubic root of 354216 is about 70.7548245117.

Adding to 354216 its reverse (612453), we get a palindrome (966669).

The spelling of 354216 in words is "three hundred fifty-four thousand, two hundred sixteen".