30368387 has 6 divisors (see below), whose sum is σ = 35326548. Its totient is φ = 26030004.

The previous prime is 30368383. The next prime is 30368389. The reversal of 30368387 is 78386303.

It is not a de Polignac number, because 30368387 - 2² = 30368383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30368387.

It is not an unprimeable number, because it can be changed into a prime (30368383) 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 5 ways as a sum of consecutive naturals, for example, 309833 + ... + 309930.

It is an arithmetic number, because the mean of its divisors is an integer number (5887758).

Almost surely, 2^30368387 is an apocalyptic number.

30368387 is a deficient number, since it is larger than the sum of its proper divisors (4958161).

30368387 is an equidigital number, since it uses as much as digits as its factorization.

30368387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619777 (or 619770 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 30368387 is about 5510.7519450616. The cubic root of 30368387 is about 311.9899288608.

The spelling of 30368387 in words is "thirty million, three hundred sixty-eight thousand, three hundred eighty-seven".