981742 has 8 divisors (see below), whose sum is σ = 1483776. Its totient is φ = 487152.

The previous prime is 981731. The next prime is 981769. The reversal of 981742 is 247189.

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

It is a congruent number.

It is an unprimeable number.

981742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (185472).

2⁹⁸¹⁷⁴² is an apocalyptic number.

981742 is a deficient number, since it is larger than the sum of its proper divisors (502034).

981742 is a wasteful number, since it uses less digits than its factorization.

981742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722.

The product of its digits is 4032, while the sum is 31.

The square root of 981742 is about 990.8289458832. The cubic root of 981742 is about 99.3876580266.

The spelling of 981742 in words is "nine hundred eighty-one thousand, seven hundred forty-two".