3850000385 has 24 divisors (see below), whose sum is σ = 5803643328. Its totient is φ = 2399997600.

The previous prime is 3850000379. The next prime is 3850000403. The reversal of 3850000385 is 5830000583.

It is not a de Polignac number, because 3850000385 - 2¹⁶ = 3849934849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450311 + ... + 458780.

It is an arithmetic number, because the mean of its divisors is an integer number (241818472).

Almost surely, 2^3850000385 is an apocalyptic number.

3850000385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3850000385 is a deficient number, since it is larger than the sum of its proper divisors (1953642943).

3850000385 is a wasteful number, since it uses less digits than its factorization.

3850000385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909125 (or 909114 counting only the distinct ones).

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

The square root of 3850000385 is about 62048.3713323726. The cubic root of 3850000385 is about 1567.3052594842.

It can be divided in two parts, 3850000 and 385, that multiplied together give a square (1482250000 = 38500²).

The spelling of 3850000385 in words is "three billion, eight hundred fifty million, three hundred eighty-five", and thus it is an aban number.