38293938 has 32 divisors (see below), whose sum is σ = 85363200. Its totient is φ = 12724848.

The previous prime is 38293933. The next prime is 38293939. The reversal of 38293938 is 83939283.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38293893 and 38293902.

It is not an unprimeable number, because it can be changed into a prime (38293933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20095 + ... + 21917.

It is an arithmetic number, because the mean of its divisors is an integer number (2667600).

Almost surely, 2^38293938 is an apocalyptic number.

38293938 is an abundant number, since it is smaller than the sum of its proper divisors (47069262).

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

38293938 is a wasteful number, since it uses less digits than its factorization.

38293938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2217 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 38293938 is about 6188.2095956747. The cubic root of 38293938 is about 337.0621680575.

The spelling of 38293938 in words is "thirty-eight million, two hundred ninety-three thousand, nine hundred thirty-eight".