981741 has 4 divisors (see below), whose sum is σ = 1308992. Its totient is φ = 654492.

The previous prime is 981731. The next prime is 981769. The reversal of 981741 is 147189.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 981741 - 2¹⁰ = 980717 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 981699 and 981708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981731) 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, 163621 + ... + 163626.

It is an arithmetic number, because the mean of its divisors is an integer number (327248).

2⁹⁸¹⁷⁴¹ is an apocalyptic number.

It is an amenable number.

981741 is a deficient number, since it is larger than the sum of its proper divisors (327251).

981741 is a wasteful number, since it uses less digits than its factorization.

981741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327250.

The product of its digits is 2016, while the sum is 30.

The square root of 981741 is about 990.8284412551. The cubic root of 981741 is about 99.3876242812.

The spelling of 981741 in words is "nine hundred eighty-one thousand, seven hundred forty-one".