38109908 has 12 divisors (see below), whose sum is σ = 67173120. Its totient is φ = 18917592.

The previous prime is 38109899. The next prime is 38109949. The reversal of 38109908 is 80990183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33716 + ... + 34827.

It is an arithmetic number, because the mean of its divisors is an integer number (5597760).

Almost surely, 2^38109908 is an apocalyptic number.

It is an amenable number.

38109908 is a deficient number, since it is larger than the sum of its proper divisors (29063212).

38109908 is a wasteful number, since it uses less digits than its factorization.

38109908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68686 (or 68684 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 38109908 is about 6173.3222822075. The cubic root of 38109908 is about 336.5213585042.

The spelling of 38109908 in words is "thirty-eight million, one hundred nine thousand, nine hundred eight".