3785155 has 8 divisors (see below), whose sum is σ = 4955184. Its totient is φ = 2752800.

The previous prime is 3785153. The next prime is 3785183. The reversal of 3785155 is 5515873.

3785155 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 3785155 - 2¹ = 3785153 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3785155.

It is not an unprimeable number, because it can be changed into a prime (3785153) 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, 34356 + ... + 34465.

It is an arithmetic number, because the mean of its divisors is an integer number (619398).

Almost surely, 2^3785155 is an apocalyptic number.

3785155 is a deficient number, since it is larger than the sum of its proper divisors (1170029).

3785155 is a wasteful number, since it uses less digits than its factorization.

3785155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68837.

The product of its digits is 21000, while the sum is 34.

The square root of 3785155 is about 1945.5474807879. The cubic root of 3785155 is about 155.8456038711.

The spelling of 3785155 in words is "three million, seven hundred eighty-five thousand, one hundred fifty-five".