306400027 has 8 divisors (see below), whose sum is σ = 324648000. Its totient is φ = 288177024.

The previous prime is 306400009. The next prime is 306400037. The reversal of 306400027 is 720004603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 306400027 - 2¹¹ = 306397979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306399980 and 306400007.

It is not an unprimeable number, because it can be changed into a prime (306400037) 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 7 ways as a sum of consecutive naturals, for example, 22974 + ... + 33772.

It is an arithmetic number, because the mean of its divisors is an integer number (40581000).

Almost surely, 2^306400027 is an apocalyptic number.

306400027 is a deficient number, since it is larger than the sum of its proper divisors (18247973).

306400027 is a wasteful number, since it uses less digits than its factorization.

306400027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12485.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 306400027 is about 17504.2859608726. The cubic root of 306400027 is about 674.1599257432.

The spelling of 306400027 in words is "three hundred six million, four hundred thousand, twenty-seven".