3788145 has 12 divisors (see below), whose sum is σ = 6566196. Its totient is φ = 2020320.

The previous prime is 3788117. The next prime is 3788159. The reversal of 3788145 is 5418873.

It can be written as a sum of positive squares in 2 ways, for example, as 2934369 + 853776 = 1713^2 + 924^2 .

It is not a de Polignac number, because 3788145 - 2⁷ = 3788017 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 42046 + ... + 42135.

It is an arithmetic number, because the mean of its divisors is an integer number (547183).

Almost surely, 2^3788145 is an apocalyptic number.

It is an amenable number.

3788145 is a deficient number, since it is larger than the sum of its proper divisors (2778051).

3788145 is a wasteful number, since it uses less digits than its factorization.

3788145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84192 (or 84189 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 3788145 is about 1946.3157503345. The cubic root of 3788145 is about 155.8866286739.

The spelling of 3788145 in words is "three million, seven hundred eighty-eight thousand, one hundred forty-five".