981722 has 8 divisors (see below), whose sum is σ = 1682976. Its totient is φ = 420732.

The previous prime is 981713. The next prime is 981731. The reversal of 981722 is 227189.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (981713) and next prime (981731).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35048 + ... + 35075.

It is an arithmetic number, because the mean of its divisors is an integer number (210372).

2⁹⁸¹⁷²² is an apocalyptic number.

981722 is a deficient number, since it is larger than the sum of its proper divisors (701254).

981722 is a wasteful number, since it uses less digits than its factorization.

981722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70132.

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

The square root of 981722 is about 990.8188532724. The cubic root of 981722 is about 99.3869831152.

The spelling of 981722 in words is "nine hundred eighty-one thousand, seven hundred twenty-two".