3788861 has 2 divisors, whose sum is σ = 3788862. Its totient is φ = 3788860.

The previous prime is 3788843. The next prime is 3788903. The reversal of 3788861 is 1688873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 156025 = 1906^2 + 395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3788861 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3784861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894430 + 1894431.

It is an arithmetic number, because the mean of its divisors is an integer number (1894431).

Almost surely, 2^3788861 is an apocalyptic number.

It is an amenable number.

3788861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3788861 is an equidigital number, since it uses as much as digits as its factorization.

3788861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 3788861 is about 1946.4996789108. The cubic root of 3788861 is about 155.8964494697.

The spelling of 3788861 in words is "three million, seven hundred eighty-eight thousand, eight hundred sixty-one".