3855006 has 16 divisors (see below), whose sum is σ = 8566800. Its totient is φ = 1284984.

The previous prime is 3854989. The next prime is 3855013. The reversal of 3855006 is 6005583.

It is a super-2 number, since 2×3855006² = 29722142520072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35641 + ... + 35748.

It is an arithmetic number, because the mean of its divisors is an integer number (535425).

Almost surely, 2^3855006 is an apocalyptic number.

3855006 is an abundant number, since it is smaller than the sum of its proper divisors (4711794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3855006 is a wasteful number, since it uses less digits than its factorization.

3855006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71400 (or 71394 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 3855006 is about 1963.4169195563. The cubic root of 3855006 is about 156.7984214318.

The spelling of 3855006 in words is "three million, eight hundred fifty-five thousand, six".