38209207 has 4 divisors (see below), whose sum is σ = 38280376. Its totient is φ = 38138040.

The previous prime is 38209201. The next prime is 38209231. The reversal of 38209207 is 70290283.

38209207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38209207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38209201) 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 3 ways as a sum of consecutive naturals, for example, 34773 + ... + 35854.

It is an arithmetic number, because the mean of its divisors is an integer number (9570094).

Almost surely, 2^38209207 is an apocalyptic number.

38209207 is a deficient number, since it is larger than the sum of its proper divisors (71169).

38209207 is an equidigital number, since it uses as much as digits as its factorization.

38209207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71168.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 38209207 is about 6181.3596400792. The cubic root of 38209207 is about 336.8133845154.

It can be divided in two parts, 38209 and 207, that added together give a 4-th power (38416 = 14⁴).

The spelling of 38209207 in words is "thirty-eight million, two hundred nine thousand, two hundred seven".