3855670 has 64 divisors (see below), whose sum is σ = 9031680. Its totient is φ = 1150848.

The previous prime is 3855667. The next prime is 3855703. The reversal of 3855670 is 765583.

It is a happy number.

It is a super-2 number, since 2×3855670² = 29732382297800, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 17179 + ... + 17401.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

Almost surely, 2^3855670 is an apocalyptic number.

3855670 is an abundant number, since it is smaller than the sum of its proper divisors (5176010).

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

3855670 is a wasteful number, since it uses less digits than its factorization.

3855670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 3855670 is about 1963.5860052465. The cubic root of 3855670 is about 156.8074234216.

The spelling of 3855670 in words is "three million, eight hundred fifty-five thousand, six hundred seventy".