38191696 has 20 divisors (see below), whose sum is σ = 75997492. Its totient is φ = 18579456.

The previous prime is 38191693. The next prime is 38191709. The reversal of 38191696 is 69619183.

It can be written as a sum of positive squares in 2 ways, for example, as 21902400 + 16289296 = 4680^2 + 4036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38191693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31665 + ... + 32848.

Almost surely, 2^38191696 is an apocalyptic number.

It is an amenable number.

38191696 is a deficient number, since it is larger than the sum of its proper divisors (37805796).

38191696 is a wasteful number, since it uses less digits than its factorization.

38191696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64558 (or 64552 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 38191696 is about 6179.9430418087. The cubic root of 38191696 is about 336.7619236166.

The spelling of 38191696 in words is "thirty-eight million, one hundred ninety-one thousand, six hundred ninety-six".