3785993 has 2 divisors, whose sum is σ = 3785994. Its totient is φ = 3785992.

The previous prime is 3785987. The next prime is 3786011. The reversal of 3785993 is 3995873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3485689 + 300304 = 1867^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 3785993 - 2¹⁴ = 3769609 is a prime.

It is not a weakly prime, because it can be changed into another prime (3785923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1892996 + 1892997.

It is an arithmetic number, because the mean of its divisors is an integer number (1892997).

Almost surely, 2^3785993 is an apocalyptic number.

It is an amenable number.

3785993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3785993 is an equidigital number, since it uses as much as digits as its factorization.

3785993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 3785993 is about 1945.7628324130. The cubic root of 3785993 is about 155.8571039708.

The spelling of 3785993 in words is "three million, seven hundred eighty-five thousand, nine hundred ninety-three".