306069 has 4 divisors (see below), whose sum is σ = 408096. Its totient is φ = 204044.

The previous prime is 306049. The next prime is 306083. The reversal of 306069 is 960603.

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 a cyclic number.

It is not a de Polignac number, because 306069 - 2¹¹ = 304021 is a prime.

It is a super-2 number, since 2×306069² = 187356465522, which contains 22 as substring.

It is a D-number.

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 306069.

It is not an unprimeable number, because it can be changed into a prime (306029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51009 + ... + 51014.

It is an arithmetic number, because the mean of its divisors is an integer number (102024).

2³⁰⁶⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

306069 is a deficient number, since it is larger than the sum of its proper divisors (102027).

306069 is a wasteful number, since it uses less digits than its factorization.

306069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102026.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 306069 is about 553.2350314288. The cubic root of 306069 is about 67.3917056364.

The spelling of 306069 in words is "three hundred six thousand, sixty-nine".