3856895 has 16 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 2628384.

The previous prime is 3856891. The next prime is 3856903. The reversal of 3856895 is 5986583.

It is a cyclic number.

It is not a de Polignac number, because 3856895 - 2² = 3856891 is a prime.

It is a super-3 number, since 3×3856895³ (a number of 21 digits) contains 333 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8996 + ... + 9414.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^3856895 is an apocalyptic number.

3856895 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3856895 is a deficient number, since it is larger than the sum of its proper divisors (1465345).

3856895 is a wasteful number, since it uses less digits than its factorization.

3856895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its digits is 259200, while the sum is 44.

The square root of 3856895 is about 1963.8979097703. The cubic root of 3856895 is about 156.8240282965.

The spelling of 3856895 in words is "three million, eight hundred fifty-six thousand, eight hundred ninety-five".