307363640 has 16 divisors (see below), whose sum is σ = 691568280. Its totient is φ = 122945440.

The previous prime is 307363633. The next prime is 307363649. The reversal of 307363640 is 46363703.

307363640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 307363597 and 307363606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307363649) 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, 3842006 + ... + 3842085.

Almost surely, 2^307363640 is an apocalyptic number.

It is an amenable number.

307363640 is an abundant number, since it is smaller than the sum of its proper divisors (384204640).

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

307363640 is a wasteful number, since it uses less digits than its factorization.

307363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684102 (or 7684098 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 307363640 is about 17531.7894123789. The cubic root of 307363640 is about 674.8659194131.

The spelling of 307363640 in words is "three hundred seven million, three hundred sixty-three thousand, six hundred forty".