3785140 has 12 divisors (see below), whose sum is σ = 7948836. Its totient is φ = 1514048.

The previous prime is 3785083. The next prime is 3785143. The reversal of 3785140 is 415873.

3785140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 443556 + 3341584 = 666^2 + 1828^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3785099 and 3785108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785143) 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 3 ways as a sum of consecutive naturals, for example, 94609 + ... + 94648.

It is an arithmetic number, because the mean of its divisors is an integer number (662403).

Almost surely, 2^3785140 is an apocalyptic number.

It is an amenable number.

3785140 is an abundant number, since it is smaller than the sum of its proper divisors (4163696).

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

3785140 is a wasteful number, since it uses less digits than its factorization.

3785140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189266 (or 189264 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3785140 is about 1945.5436258280. The cubic root of 3785140 is about 155.8453980066.

The spelling of 3785140 in words is "three million, seven hundred eighty-five thousand, one hundred forty".