3894712147 has 2 divisors, whose sum is σ = 3894712148. Its totient is φ = 3894712146.

The previous prime is 3894712141. The next prime is 3894712177. The reversal of 3894712147 is 7412174983.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3894712147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3894712097 and 3894712106.

It is not a weakly prime, because it can be changed into another prime (3894712141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947356073 + 1947356074.

It is an arithmetic number, because the mean of its divisors is an integer number (1947356074).

Almost surely, 2^3894712147 is an apocalyptic number.

3894712147 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894712147 is an equidigital number, since it uses as much as digits as its factorization.

3894712147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 3894712147 is about 62407.6289166637. The cubic root of 3894712147 is about 1573.3491929250.

The spelling of 3894712147 in words is "three billion, eight hundred ninety-four million, seven hundred twelve thousand, one hundred forty-seven".