354446 has 4 divisors (see below), whose sum is σ = 531672. Its totient is φ = 177222.

The previous prime is 354443. The next prime is 354451. The reversal of 354446 is 644453.

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

It is a super-4 number, since 4×354446⁴ (a number of 23 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 3⁶ + 5⁵ + 4⁵ + 4⁶ + 4⁸ + 6⁷ .

It is a Curzon number.

It is a plaindrome in base 11 and base 16.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88610 + ... + 88613.

It is an arithmetic number, because the mean of its divisors is an integer number (132918).

2³⁵⁴⁴⁴⁶ is an apocalyptic number.

354446 is a deficient number, since it is larger than the sum of its proper divisors (177226).

354446 is a wasteful number, since it uses less digits than its factorization.

354446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177225.

The product of its digits is 5760, while the sum is 26.

The square root of 354446 is about 595.3536763975. The cubic root of 354446 is about 70.7701354036.

Adding to 354446 its reverse (644453), we get a palindrome (998899).

The spelling of 354446 in words is "three hundred fifty-four thousand, four hundred forty-six".