3855659 has 4 divisors (see below), whose sum is σ = 3959904. Its totient is φ = 3751416.

The previous prime is 3855647. The next prime is 3855667. The reversal of 3855659 is 9565583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3855659 is a prime.

It is a super-2 number, since 2×3855659² = 29732212648562, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3³ + 8⁷ + 5 + 5 + 6⁸ + 5⁷ + 9³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3855359) 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 3 ways as a sum of consecutive naturals, for example, 52067 + ... + 52140.

It is an arithmetic number, because the mean of its divisors is an integer number (989976).

Almost surely, 2^3855659 is an apocalyptic number.

3855659 is a deficient number, since it is larger than the sum of its proper divisors (104245).

3855659 is a wasteful number, since it uses less digits than its factorization.

3855659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104244.

The product of its digits is 162000, while the sum is 41.

The square root of 3855659 is about 1963.5832042468. The cubic root of 3855659 is about 156.8072743007.

The spelling of 3855659 in words is "three million, eight hundred fifty-five thousand, six hundred fifty-nine".