38909116 has 6 divisors (see below), whose sum is σ = 68090960. Its totient is φ = 19454556.

The previous prime is 38909099. The next prime is 38909137. The reversal of 38909116 is 61190983.

38909116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4863636 + ... + 4863643.

Almost surely, 2^38909116 is an apocalyptic number.

It is an amenable number.

38909116 is a deficient number, since it is larger than the sum of its proper divisors (29181844).

38909116 is a wasteful number, since it uses less digits than its factorization.

38909116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727283 (or 9727281 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 38909116 is about 6237.7172106469. The cubic root of 38909116 is about 338.8575147441.

The spelling of 38909116 in words is "thirty-eight million, nine hundred nine thousand, one hundred sixteen".