3851285 has 8 divisors (see below), whose sum is σ = 4770816. Its totient is φ = 2981520.

The previous prime is 3851279. The next prime is 3851291. The reversal of 3851285 is 5821583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3851279) and next prime (3851291).

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

It is not a de Polignac number, because 3851285 - 2¹⁸ = 3589141 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12269 + ... + 12578.

It is an arithmetic number, because the mean of its divisors is an integer number (596352).

Almost surely, 2^3851285 is an apocalyptic number.

It is an amenable number.

3851285 is a deficient number, since it is larger than the sum of its proper divisors (919531).

3851285 is a wasteful number, since it uses less digits than its factorization.

3851285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24883.

The product of its digits is 9600, while the sum is 32.

The square root of 3851285 is about 1962.4691080371. The cubic root of 3851285 is about 156.7479559030.

The spelling of 3851285 in words is "three million, eight hundred fifty-one thousand, two hundred eighty-five".