38791995 has 64 divisors (see below), whose sum is σ = 71677440. Its totient is φ = 17888640.

The previous prime is 38791957. The next prime is 38791997. The reversal of 38791995 is 59919783.

It is a happy number.

It is not a de Polignac number, because 38791995 - 2⁷ = 38791867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38791997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 578952 + ... + 579018.

It is an arithmetic number, because the mean of its divisors is an integer number (1119960).

Almost surely, 2^38791995 is an apocalyptic number.

38791995 is a deficient number, since it is larger than the sum of its proper divisors (32885445).

38791995 is a wasteful number, since it uses less digits than its factorization.

38791995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 115 counting only the distinct ones).

The product of its digits is 612360, while the sum is 51.

The square root of 38791995 is about 6228.3220051632. The cubic root of 38791995 is about 338.5171727457.

The spelling of 38791995 in words is "thirty-eight million, seven hundred ninety-one thousand, nine hundred ninety-five".