38400206 has 16 divisors (see below), whose sum is σ = 62448288. Its totient is φ = 17604000.

The previous prime is 38400181. The next prime is 38400211. The reversal of 38400206 is 60200483.

It is a happy number.

38400206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 965 + ... + 8816.

It is an arithmetic number, because the mean of its divisors is an integer number (3903018).

Almost surely, 2^38400206 is an apocalyptic number.

38400206 is a deficient number, since it is larger than the sum of its proper divisors (24048082).

38400206 is a wasteful number, since it uses less digits than its factorization.

38400206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9947.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 38400206 is about 6196.7899754631. The cubic root of 38400206 is about 337.3736694083.

Adding to 38400206 its reverse (60200483), we get a palindrome (98600689).

The spelling of 38400206 in words is "thirty-eight million, four hundred thousand, two hundred six".