961722 has 36 divisors (see below), whose sum is σ = 2199834. Its totient is φ = 303600.

The previous prime is 961703. The next prime is 961729. The reversal of 961722 is 227169.

It can be written as a sum of positive squares in only one way, i.e., 576081 + 385641 = 759^2 + 621^2 .

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (961729) by changing a digit.

961722 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 17 ways as a sum of consecutive naturals, for example, 9472 + ... + 9572.

2⁹⁶¹⁷²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 961722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1099917).

961722 is an abundant number, since it is smaller than the sum of its proper divisors (1238112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961722 is a wasteful number, since it uses less digits than its factorization.

961722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 129 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 961722 is about 980.6742578451. The cubic root of 961722 is about 98.7074313132.

The spelling of 961722 in words is "nine hundred sixty-one thousand, seven hundred twenty-two".