3862985 has 32 divisors (see below), whose sum is σ = 5763840. Its totient is φ = 2426112.

The previous prime is 3862939. The next prime is 3862987. The reversal of 3862985 is 5892683.

It is a cyclic number.

It is not a de Polignac number, because 3862985 - 2⁶ = 3862921 is a prime.

It is a super-2 number, since 2×3862985² = 29845306220450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3862987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24527 + ... + 24683.

It is an arithmetic number, because the mean of its divisors is an integer number (180120).

Almost surely, 2^3862985 is an apocalyptic number.

3862985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3862985 is a deficient number, since it is larger than the sum of its proper divisors (1900855).

3862985 is a wasteful number, since it uses less digits than its factorization.

3862985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its digits is 103680, while the sum is 41.

The square root of 3862985 is about 1965.4477861292. The cubic root of 3862985 is about 156.9065261000.

The spelling of 3862985 in words is "three million, eight hundred sixty-two thousand, nine hundred eighty-five".