3780971 has 2 divisors, whose sum is σ = 3780972. Its totient is φ = 3780970.

The previous prime is 3780961. The next prime is 3780989. The reversal of 3780971 is 1790873.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3780971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3780941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890485 + 1890486.

It is an arithmetic number, because the mean of its divisors is an integer number (1890486).

Almost surely, 2^3780971 is an apocalyptic number.

3780971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780971 is an equidigital number, since it uses as much as digits as its factorization.

3780971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 3780971 is about 1944.4719077426. The cubic root of 3780971 is about 155.7881603045.

The spelling of 3780971 in words is "three million, seven hundred eighty thousand, nine hundred seventy-one".