307666368 has 84 divisors (see below), whose sum is σ = 884288808. Its totient is φ = 102274560.

The previous prime is 307666367. The next prime is 307666397. The reversal of 307666368 is 863666703.

It is a super-2 number, since 2×307666368² = 189317187996622848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307666361) 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 11 ways as a sum of consecutive naturals, for example, 397630 + ... + 398402.

Almost surely, 2^307666368 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 307666368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442144404).

307666368 is an abundant number, since it is smaller than the sum of its proper divisors (576622440).

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

307666368 is a wasteful number, since it uses less digits than its factorization.

307666368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 307666368 is about 17540.4209755638. The cubic root of 307666368 is about 675.0874092566.

The spelling of 307666368 in words is "three hundred seven million, six hundred sixty-six thousand, three hundred sixty-eight".