309996060 has 48 divisors (see below), whose sum is σ = 946899072. Its totient is φ = 75150400.

The previous prime is 309996041. The next prime is 309996061. The reversal of 309996060 is 60699903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309996061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234186 + ... + 235505.

It is an arithmetic number, because the mean of its divisors is an integer number (19727064).

Almost surely, 2^309996060 is an apocalyptic number.

309996060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

309996060 is an abundant number, since it is smaller than the sum of its proper divisors (636903012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

309996060 is a wasteful number, since it uses less digits than its factorization.

309996060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469714 (or 469712 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 309996060 is about 17606.7049728221. The cubic root of 309996060 is about 676.7870779379.

The spelling of 309996060 in words is "three hundred nine million, nine hundred ninety-six thousand, sixty".