38871995 has 4 divisors (see below), whose sum is σ = 46646400. Its totient is φ = 31097592.

The previous prime is 38871991. The next prime is 38872019. The reversal of 38871995 is 59917883.

38871995 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: 59917883 = 5419 ⋅11057.

It is a cyclic number.

It is not a de Polignac number, because 38871995 - 2² = 38871991 is a prime.

It is a super-2 number, since 2×38871995² = 3022063990560050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38871991) 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, 3887195 + ... + 3887204.

It is an arithmetic number, because the mean of its divisors is an integer number (11661600).

Almost surely, 2^38871995 is an apocalyptic number.

38871995 is a deficient number, since it is larger than the sum of its proper divisors (7774405).

38871995 is an equidigital number, since it uses as much as digits as its factorization.

38871995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774404.

The product of its digits is 544320, while the sum is 50.

The square root of 38871995 is about 6234.7409729675. The cubic root of 38871995 is about 338.7497188217.

The spelling of 38871995 in words is "thirty-eight million, eight hundred seventy-one thousand, nine hundred ninety-five".