38399305 has 16 divisors (see below), whose sum is σ = 54952704. Its totient is φ = 25185600.

The previous prime is 38399287. The next prime is 38399341. The reversal of 38399305 is 50399383.

38399305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38399305 - 2⁷ = 38399177 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23046 + ... + 24655.

It is an arithmetic number, because the mean of its divisors is an integer number (3434544).

Almost surely, 2^38399305 is an apocalyptic number.

38399305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38399305 is a deficient number, since it is larger than the sum of its proper divisors (16553399).

38399305 is a wasteful number, since it uses less digits than its factorization.

38399305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47736.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 38399305 is about 6196.7172761068. The cubic root of 38399305 is about 337.3710307414.

The spelling of 38399305 in words is "thirty-eight million, three hundred ninety-nine thousand, three hundred five".