38388375 has 24 divisors (see below), whose sum is σ = 69203472. Its totient is φ = 20473200.

The previous prime is 38388353. The next prime is 38388401. The reversal of 38388375 is 57388383.

It is a happy number.

It is not a de Polignac number, because 38388375 - 2¹⁵ = 38355607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38388375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15937 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (2883478).

Almost surely, 2^38388375 is an apocalyptic number.

38388375 is a deficient number, since it is larger than the sum of its proper divisors (30815097).

38388375 is a wasteful number, since it uses less digits than its factorization.

38388375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34144 (or 34131 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 38388375 is about 6195.8352947766. The cubic root of 38388375 is about 337.3390178765.

The spelling of 38388375 in words is "thirty-eight million, three hundred eighty-eight thousand, three hundred seventy-five".