38315207 has 12 divisors (see below), whose sum is σ = 45112536. Its totient is φ = 32442480.

The previous prime is 38315143. The next prime is 38315209. The reversal of 38315207 is 70251383.

It is not a de Polignac number, because 38315207 - 2⁶ = 38315143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38315207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38315209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 644 + ... + 8777.

It is an arithmetic number, because the mean of its divisors is an integer number (3759378).

Almost surely, 2^38315207 is an apocalyptic number.

38315207 is a deficient number, since it is larger than the sum of its proper divisors (6797329).

38315207 is an equidigital number, since it uses as much as digits as its factorization.

38315207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518 (or 9511 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 38315207 is about 6189.9278671080. The cubic root of 38315207 is about 337.1245595550.

The spelling of 38315207 in words is "thirty-eight million, three hundred fifteen thousand, two hundred seven".