3780043 has 2 divisors, whose sum is σ = 3780044. Its totient is φ = 3780042.

The previous prime is 3780041. The next prime is 3780053. The reversal of 3780043 is 3400873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3780043 - 2¹ = 3780041 is a prime.

Together with 3780041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3780041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890021 + 1890022.

It is an arithmetic number, because the mean of its divisors is an integer number (1890022).

Almost surely, 2^3780043 is an apocalyptic number.

3780043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780043 is an equidigital number, since it uses as much as digits as its factorization.

3780043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 3780043 is about 1944.2332678977. The cubic root of 3780043 is about 155.7754137338.

The spelling of 3780043 in words is "three million, seven hundred eighty thousand, forty-three".