307748268 has 96 divisors (see below), whose sum is σ = 815109120. Its totient is φ = 100396800.

The previous prime is 307748267. The next prime is 307748279. The reversal of 307748268 is 862847703.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (307748267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1842721 + ... + 1842887.

It is an arithmetic number, because the mean of its divisors is an integer number (8490720).

Almost surely, 2^307748268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307748268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407554560).

307748268 is an abundant number, since it is smaller than the sum of its proper divisors (507360852).

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

307748268 is a wasteful number, since it uses less digits than its factorization.

307748268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 307748268 is about 17542.7554278112. The cubic root of 307748268 is about 675.1473061225.

The spelling of 307748268 in words is "three hundred seven million, seven hundred forty-eight thousand, two hundred sixty-eight".