981047 has 8 divisors (see below), whose sum is σ = 1012320. Its totient is φ = 950400.

The previous prime is 981037. The next prime is 981049. The reversal of 981047 is 740189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 981047 - 2¹² = 976951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6422 + ... + 6572.

It is an arithmetic number, because the mean of its divisors is an integer number (126540).

2⁹⁸¹⁰⁴⁷ is an apocalyptic number.

981047 is a deficient number, since it is larger than the sum of its proper divisors (31273).

981047 is a wasteful number, since it uses less digits than its factorization.

981047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 981047 is about 990.4781673515. The cubic root of 981047 is about 99.3641994775.

The spelling of 981047 in words is "nine hundred eighty-one thousand, forty-seven".