3800947 has 2 divisors, whose sum is σ = 3800948. Its totient is φ = 3800946.

The previous prime is 3800917. The next prime is 3800963. The reversal of 3800947 is 7490083.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3800947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3800917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1900473 + 1900474.

It is an arithmetic number, because the mean of its divisors is an integer number (1900474).

Almost surely, 2^3800947 is an apocalyptic number.

3800947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800947 is an equidigital number, since it uses as much as digits as its factorization.

3800947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3800947 is about 1949.6017542052. The cubic root of 3800947 is about 156.0620370181.

The spelling of 3800947 in words is "three million, eight hundred thousand, nine hundred forty-seven".