38450387 has 4 divisors (see below), whose sum is σ = 39175920. Its totient is φ = 37724856.

The previous prime is 38450383. The next prime is 38450407. The reversal of 38450387 is 78305483.

It is a happy number.

38450387 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, and also an emirpimes, since its reverse is a distinct semiprime: 78305483 = 479 ⋅163477.

It is a cyclic number.

It is not a de Polignac number, because 38450387 - 2² = 38450383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38450387.

It is not an unprimeable number, because it can be changed into a prime (38450383) 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, 362687 + ... + 362792.

It is an arithmetic number, because the mean of its divisors is an integer number (9793980).

Almost surely, 2^38450387 is an apocalyptic number.

38450387 is a deficient number, since it is larger than the sum of its proper divisors (725533).

38450387 is an equidigital number, since it uses as much as digits as its factorization.

38450387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725532.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 38450387 is about 6200.8376047112. The cubic root of 38450387 is about 337.5205642705.

The spelling of 38450387 in words is "thirty-eight million, four hundred fifty thousand, three hundred eighty-seven".