983947 has 4 divisors (see below), whose sum is σ = 986176. Its totient is φ = 981720.

The previous prime is 983929. The next prime is 983951. The reversal of 983947 is 749389.

983947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749389 = 29 ⋅25841.

It is a cyclic number.

It is not a de Polignac number, because 983947 - 2⁷ = 983819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (983987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (246544).

2⁹⁸³⁹⁴⁷ is an apocalyptic number.

983947 is a deficient number, since it is larger than the sum of its proper divisors (2229).

983947 is a wasteful number, since it uses less digits than its factorization.

983947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228.

The product of its digits is 54432, while the sum is 40.

The square root of 983947 is about 991.9410264728. The cubic root of 983947 is about 99.4620108673.

The spelling of 983947 in words is "nine hundred eighty-three thousand, nine hundred forty-seven".