306879013 has 36 divisors (see below), whose sum is σ = 389414880. Its totient is φ = 241156440.

The previous prime is 306879011. The next prime is 306879029. The reversal of 306879013 is 310978603.

It is not a de Polignac number, because 306879013 - 2¹ = 306879011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306879011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9899308 + ... + 9899338.

It is an arithmetic number, because the mean of its divisors is an integer number (10817080).

Almost surely, 2^306879013 is an apocalyptic number.

It is an amenable number.

306879013 is a deficient number, since it is larger than the sum of its proper divisors (82535867).

306879013 is an frugal number, since it uses more digits than its factorization.

306879013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 306879013 is about 17517.9625813049. The cubic root of 306879013 is about 674.5110408617.

The spelling of 306879013 in words is "three hundred six million, eight hundred seventy-nine thousand, thirteen".