3984047 has 2 divisors, whose sum is σ = 3984048. Its totient is φ = 3984046.

The previous prime is 3984031. The next prime is 3984061. The reversal of 3984047 is 7404893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3984047 - 2⁴ = 3984031 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 3983998 and 3984016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3984347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992023 + 1992024.

It is an arithmetic number, because the mean of its divisors is an integer number (1992024).

Almost surely, 2^3984047 is an apocalyptic number.

3984047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3984047 is an equidigital number, since it uses as much as digits as its factorization.

3984047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3984047 is about 1996.0077655160. The cubic root of 3984047 is about 158.5287922829.

The spelling of 3984047 in words is "three million, nine hundred eighty-four thousand, forty-seven".