38655616 has 16 divisors (see below), whose sum is σ = 77009490. Its totient is φ = 19327744.

The previous prime is 38655607. The next prime is 38655619. The reversal of 38655616 is 61655683.

It can be written as a sum of positive squares in only one way, i.e., 37454400 + 1201216 = 6120^2 + 1096^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (38655619) 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 as a sum of consecutive naturals, namely, 150871 + ... + 151126.

Almost surely, 2^38655616 is an apocalyptic number.

It is an amenable number.

38655616 is a deficient number, since it is larger than the sum of its proper divisors (38353874).

38655616 is an equidigital number, since it uses as much as digits as its factorization.

38655616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302011 (or 301999 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 38655616 is about 6217.3640716947. The cubic root of 38655616 is about 338.1200045387.

The spelling of 38655616 in words is "thirty-eight million, six hundred fifty-five thousand, six hundred sixteen".