3851005 has 8 divisors (see below), whose sum is σ = 4822272. Its totient is φ = 2946768.

The previous prime is 3850981. The next prime is 3851009. The reversal of 3851005 is 5001583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3851005 - 2¹⁵ = 3818237 is a prime.

It is a super-3 number, since 3×3851005³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3851009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16629 + ... + 16858.

It is an arithmetic number, because the mean of its divisors is an integer number (602784).

Almost surely, 2^3851005 is an apocalyptic number.

It is an amenable number.

3851005 is a deficient number, since it is larger than the sum of its proper divisors (971267).

3851005 is a wasteful number, since it uses less digits than its factorization.

3851005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33515.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 3851005 is about 1962.3977680379. The cubic root of 3851005 is about 156.7441571284.

Adding to 3851005 its reverse (5001583), we get a palindrome (8852588).

The spelling of 3851005 in words is "three million, eight hundred fifty-one thousand, five".