345446 has 8 divisors (see below), whose sum is σ = 524664. Its totient is φ = 170560.

The previous prime is 345431. The next prime is 345451. The reversal of 345446 is 644543.

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

It is a d-powerful number, because it can be written as 3⁴ + 4⁷ + 4⁸ + 5 + 4⁹ + 6⁴ .

It is a congruent number.

It is an unprimeable number.

345446 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 in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 1206.

It is an arithmetic number, because the mean of its divisors is an integer number (65583).

2³⁴⁵⁴⁴⁶ is an apocalyptic number.

345446 is a deficient number, since it is larger than the sum of its proper divisors (179218).

345446 is a wasteful number, since it uses less digits than its factorization.

345446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166.

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

The square root of 345446 is about 587.7465440137. The cubic root of 345446 is about 70.1660005867.

Adding to 345446 its reverse (644543), we get a palindrome (989989).

The spelling of 345446 in words is "three hundred forty-five thousand, four hundred forty-six".