306257116 has 12 divisors (see below), whose sum is σ = 584672760. Its totient is φ = 139207760.

The previous prime is 306257111. The next prime is 306257129. The reversal of 306257116 is 611752603.

It is a super-2 number, since 2×306257116² = 187586842201274912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306257111) 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, 3480151 + ... + 3480238.

It is an arithmetic number, because the mean of its divisors is an integer number (48722730).

Almost surely, 2^306257116 is an apocalyptic number.

It is an amenable number.

306257116 is a deficient number, since it is larger than the sum of its proper divisors (278415644).

306257116 is a wasteful number, since it uses less digits than its factorization.

306257116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960404 (or 6960402 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 306257116 is about 17500.2033131047. The cubic root of 306257116 is about 674.0550956262.

The spelling of 306257116 in words is "three hundred six million, two hundred fifty-seven thousand, one hundred sixteen".