38385243 has 24 divisors (see below), whose sum is σ = 61331088. Its totient is φ = 22980672.

The previous prime is 38385239. The next prime is 38385251. The reversal of 38385243 is 34258383.

38385243 is a `hidden beast` number, since 38 + 385 + 243 = 666.

It is not a de Polignac number, because 38385243 - 2² = 38385239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38385198 and 38385207.

It is not an unprimeable number, because it can be changed into a prime (38385203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105 + ... + 8762.

It is an arithmetic number, because the mean of its divisors is an integer number (2555462).

Almost surely, 2^38385243 is an apocalyptic number.

38385243 is a deficient number, since it is larger than the sum of its proper divisors (22945845).

38385243 is a wasteful number, since it uses less digits than its factorization.

38385243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923 (or 8920 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 38385243 is about 6195.5825391968. The cubic root of 38385243 is about 337.3298434451.

The spelling of 38385243 in words is "thirty-eight million, three hundred eighty-five thousand, two hundred forty-three".