984947 has 2 divisors, whose sum is σ = 984948. Its totient is φ = 984946.

The previous prime is 984931. The next prime is 984959. The reversal of 984947 is 749489.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 984947 - 2⁴ = 984931 is a prime.

It is not a weakly prime, because it can be changed into another prime (984917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492473 + 492474.

It is an arithmetic number, because the mean of its divisors is an integer number (492474).

2⁹⁸⁴⁹⁴⁷ is an apocalyptic number.

984947 is a deficient number, since it is larger than the sum of its proper divisors (1).

984947 is an equidigital number, since it uses as much as digits as its factorization.

984947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 984947 is about 992.4449606905. Note that the first 3 decimals coincide. The cubic root of 984947 is about 99.4956943669.

Subtracting from 984947 its sum of digits (41), we obtain a triangular number (984906 = T₁₄₀₃).

The spelling of 984947 in words is "nine hundred eighty-four thousand, nine hundred forty-seven".