306413 has 4 divisors (see below), whose sum is σ = 322560. Its totient is φ = 290268.

The previous prime is 306407. The next prime is 306419. The reversal of 306413 is 314603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (306407) and next prime (306419).

It is a cyclic number.

It is not a de Polignac number, because 306413 - 2⁶ = 306349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306391 and 306400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306419) 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 in 3 ways as a sum of consecutive naturals, for example, 8045 + ... + 8082.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2³⁰⁶⁴¹³ is an apocalyptic number.

It is an amenable number.

306413 is a deficient number, since it is larger than the sum of its proper divisors (16147).

306413 is a wasteful number, since it uses less digits than its factorization.

306413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16146.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 306413 is about 553.5458427267. The cubic root of 306413 is about 67.4169440269.

The spelling of 306413 in words is "three hundred six thousand, four hundred thirteen".