306446 has 24 divisors (see below), whose sum is σ = 554040. Its totient is φ = 126672.

The previous prime is 306437. The next prime is 306457. The reversal of 306446 is 644603.

306446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5165 + ... + 5223.

It is an arithmetic number, because the mean of its divisors is an integer number (23085).

2³⁰⁶⁴⁴⁶ is an apocalyptic number.

306446 is a deficient number, since it is larger than the sum of its proper divisors (247594).

306446 is a wasteful number, since it uses less digits than its factorization.

306446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 306446 is about 553.5756497535. The cubic root of 306446 is about 67.4193641585.

The spelling of 306446 in words is "three hundred six thousand, four hundred forty-six".