3784541 has 2 divisors, whose sum is σ = 3784542. Its totient is φ = 3784540.

The previous prime is 3784531. The next prime is 3784577. The reversal of 3784541 is 1454873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 417316 = 1835^2 + 646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3784541 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3784498 and 3784507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3784531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1892270 + 1892271.

It is an arithmetic number, because the mean of its divisors is an integer number (1892271).

Almost surely, 2^3784541 is an apocalyptic number.

It is an amenable number.

3784541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3784541 is an equidigital number, since it uses as much as digits as its factorization.

3784541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 3784541 is about 1945.3896781879. The cubic root of 3784541 is about 155.8371767062.

The spelling of 3784541 in words is "three million, seven hundred eighty-four thousand, five hundred forty-one".