3845155 has 8 divisors (see below), whose sum is σ = 4634784. Its totient is φ = 3062400.

The previous prime is 3845143. The next prime is 3845159. The reversal of 3845155 is 5515483.

3845155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3845155 - 2⁵ = 3845123 is a prime.

It is a Duffinian number.

3845155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3845159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391 + ... + 2800.

It is an arithmetic number, because the mean of its divisors is an integer number (579348).

Almost surely, 2^3845155 is an apocalyptic number.

3845155 is a deficient number, since it is larger than the sum of its proper divisors (789629).

3845155 is a wasteful number, since it uses less digits than its factorization.

3845155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437.

The product of its digits is 12000, while the sum is 31.

The square root of 3845155 is about 1960.9066780446. The cubic root of 3845155 is about 156.6647477256.

The spelling of 3845155 in words is "three million, eight hundred forty-five thousand, one hundred fifty-five".