38128995 has 48 divisors (see below), whose sum is σ = 70022880. Its totient is φ = 19678464.

The previous prime is 38128973. The next prime is 38128999. The reversal of 38128995 is 59982183.

It is a happy number.

38128995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38128995 - 2¹² = 38124899 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 38128995.

It is not an unprimeable number, because it can be changed into a prime (38128999) 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 47 ways as a sum of consecutive naturals, for example, 522279 + ... + 522351.

It is an arithmetic number, because the mean of its divisors is an integer number (1458810).

Almost surely, 2^38128995 is an apocalyptic number.

38128995 is a deficient number, since it is larger than the sum of its proper divisors (31893885).

38128995 is an equidigital number, since it uses as much as digits as its factorization.

38128995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 134 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 38128995 is about 6174.8680147838. The cubic root of 38128995 is about 336.5775303457.

The spelling of 38128995 in words is "thirty-eight million, one hundred twenty-eight thousand, nine hundred ninety-five".