38216938 has 24 divisors (see below), whose sum is σ = 61652448. Its totient is φ = 17724168.

The previous prime is 38216917. The next prime is 38216951. The reversal of 38216938 is 83961283.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38216938.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274873 + ... + 275011.

It is an arithmetic number, because the mean of its divisors is an integer number (2568852).

Almost surely, 2^38216938 is an apocalyptic number.

38216938 is a deficient number, since it is larger than the sum of its proper divisors (23435510).

38216938 is a wasteful number, since it uses less digits than its factorization.

38216938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 207 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 38216938 is about 6181.9849563065. The cubic root of 38216938 is about 336.8360991862.

The spelling of 38216938 in words is "thirty-eight million, two hundred sixteen thousand, nine hundred thirty-eight".