38931995 has 8 divisors (see below), whose sum is σ = 47358816. Its totient is φ = 30718656.

The previous prime is 38931967. The next prime is 38932037. The reversal of 38931995 is 59913983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38931995 - 2¹⁶ = 38866459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52967 + ... + 53696.

It is an arithmetic number, because the mean of its divisors is an integer number (5919852).

Almost surely, 2^38931995 is an apocalyptic number.

38931995 is a deficient number, since it is larger than the sum of its proper divisors (8426821).

38931995 is a wasteful number, since it uses less digits than its factorization.

38931995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106741.

The product of its digits is 262440, while the sum is 47.

The square root of 38931995 is about 6239.5508652466. The cubic root of 38931995 is about 338.9239190799.

The spelling of 38931995 in words is "thirty-eight million, nine hundred thirty-one thousand, nine hundred ninety-five".