3785540 has 24 divisors (see below), whose sum is σ = 8672832. Its totient is φ = 1376480.

The previous prime is 3785539. The next prime is 3785549. The reversal of 3785540 is 455873.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3785497 and 3785506.

It is not an unprimeable number, because it can be changed into a prime (3785549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8384 + ... + 8823.

It is an arithmetic number, because the mean of its divisors is an integer number (361368).

Almost surely, 2^3785540 is an apocalyptic number.

It is an amenable number.

3785540 is an abundant number, since it is smaller than the sum of its proper divisors (4887292).

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

3785540 is a wasteful number, since it uses less digits than its factorization.

3785540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17227 (or 17225 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 3785540 is about 1945.6464221436. The cubic root of 3785540 is about 155.8508875405.

The spelling of 3785540 in words is "three million, seven hundred eighty-five thousand, five hundred forty".