38133616 has 20 divisors (see below), whose sum is σ = 74821600. Its totient is φ = 18824832.

The previous prime is 38133593. The next prime is 38133617. The reversal of 38133616 is 61633183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38133617) 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, 13821 + ... + 16348.

It is an arithmetic number, because the mean of its divisors is an integer number (3741080).

Almost surely, 2^38133616 is an apocalyptic number.

It is an amenable number.

38133616 is a deficient number, since it is larger than the sum of its proper divisors (36687984).

38133616 is a wasteful number, since it uses less digits than its factorization.

38133616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30256 (or 30250 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 38133616 is about 6175.2421814857. The cubic root of 38133616 is about 336.5911268396.

Adding to 38133616 its reverse (61633183), we get a palindrome (99766799).

The spelling of 38133616 in words is "thirty-eight million, one hundred thirty-three thousand, six hundred sixteen".