306407 has 2 divisors, whose sum is σ = 306408. Its totient is φ = 306406.

The previous prime is 306389. The next prime is 306419. The reversal of 306407 is 704603.

It is a strong prime.

It is an emirp because it is prime and its reverse (704603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 306407 - 2¹⁴ = 290023 is a prime.

It is a Chen prime.

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 306407.

It is not a weakly prime, because it can be changed into another prime (306437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153203 + 153204.

It is an arithmetic number, because the mean of its divisors is an integer number (153204).

2³⁰⁶⁴⁰⁷ is an apocalyptic number.

306407 is a deficient number, since it is larger than the sum of its proper divisors (1).

306407 is an equidigital number, since it uses as much as digits as its factorization.

306407 is an odious number, because the sum of its binary digits is odd.

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

The square root of 306407 is about 553.5404230948. The cubic root of 306407 is about 67.4165039844.

The spelling of 306407 in words is "three hundred six thousand, four hundred seven".