306470 has 16 divisors (see below), whose sum is σ = 581040. Its totient is φ = 116064.

The previous prime is 306463. The next prime is 306473. The reversal of 306470 is 74603.

306470 = T₂₈ + T₂₉ + ... + T₁₂₂.

306470 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 inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306470.

It is not an unprimeable number, because it can be changed into a prime (306473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (36315).

2³⁰⁶⁴⁷⁰ is an apocalyptic number.

306470 is a deficient number, since it is larger than the sum of its proper divisors (274570).

306470 is a wasteful number, since it uses less digits than its factorization.

306470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 306470 is about 553.5973265831. The cubic root of 306470 is about 67.4211241450.

The spelling of 306470 in words is "three hundred six thousand, four hundred seventy".