38388807 has 12 divisors (see below), whose sum is σ = 55824600. Its totient is φ = 25419888.

The previous prime is 38388803. The next prime is 38388811. The reversal of 38388807 is 70888383.

It is an interprime number because it is at equal distance from previous prime (38388803) and next prime (38388811).

It is not a de Polignac number, because 38388807 - 2² = 38388803 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38388803) 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, 12973 + ... + 15654.

It is an arithmetic number, because the mean of its divisors is an integer number (4652050).

Almost surely, 2^38388807 is an apocalyptic number.

38388807 is a deficient number, since it is larger than the sum of its proper divisors (17435793).

38388807 is a wasteful number, since it uses less digits than its factorization.

38388807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28782 (or 28779 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 38388807 is about 6195.8701568061. The cubic root of 38388807 is about 337.3402832762.

The spelling of 38388807 in words is "thirty-eight million, three hundred eighty-eight thousand, eight hundred seven".