38199656 has 16 divisors (see below), whose sum is σ = 78135840. Its totient is φ = 17363440.

The previous prime is 38199653. The next prime is 38199683. The reversal of 38199656 is 65699183.

It is a self number, because there is not a number n which added to its sum of digits gives 38199656.

It is not an unprimeable number, because it can be changed into a prime (38199653) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 216956 + ... + 217131.

It is an arithmetic number, because the mean of its divisors is an integer number (4883490).

Almost surely, 2^38199656 is an apocalyptic number.

It is an amenable number.

38199656 is an abundant number, since it is smaller than the sum of its proper divisors (39936184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38199656 is a wasteful number, since it uses less digits than its factorization.

38199656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434104 (or 434100 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 38199656 is about 6180.5870271359. The cubic root of 38199656 is about 336.7853182196.

The spelling of 38199656 in words is "thirty-eight million, one hundred ninety-nine thousand, six hundred fifty-six".