38500385 has 24 divisors (see below), whose sum is σ = 58043328. Its totient is φ = 23997600.

The previous prime is 38500381. The next prime is 38500409. The reversal of 38500385 is 58300583.

It is not a de Polignac number, because 38500385 - 2² = 38500381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38500381) 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 in 23 ways as a sum of consecutive naturals, for example, 311 + ... + 8780.

It is an arithmetic number, because the mean of its divisors is an integer number (2418472).

Almost surely, 2^38500385 is an apocalyptic number.

38500385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38500385 is a deficient number, since it is larger than the sum of its proper divisors (19542943).

38500385 is a wasteful number, since it uses less digits than its factorization.

38500385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125 (or 9114 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 38500385 is about 6204.8678471020. The cubic root of 38500385 is about 337.6667963832. Note that the first 3 decimals are identical.

It can be divided in two parts, 38500 and 385, that multiplied together give a square (14822500 = 3850²).

The spelling of 38500385 in words is "thirty-eight million, five hundred thousand, three hundred eighty-five".