307621368 has 64 divisors (see below), whose sum is σ = 857472000. Its totient is φ = 102184416.

The previous prime is 307621309. The next prime is 307621373. The reversal of 307621368 is 863126703.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 63993 + ... + 68631.

It is an arithmetic number, because the mean of its divisors is an integer number (13398000).

Almost surely, 2^307621368 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 307621368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428736000).

307621368 is an abundant number, since it is smaller than the sum of its proper divisors (549850632).

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

307621368 is a wasteful number, since it uses less digits than its factorization.

307621368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961 (or 4951 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 307621368 is about 17539.1381772309. The cubic root of 307621368 is about 675.0544943659.

The spelling of 307621368 in words is "three hundred seven million, six hundred twenty-one thousand, three hundred sixty-eight".