974561 has 6 divisors (see below), whose sum is σ = 1133730. Its totient is φ = 835296.

The previous prime is 974557. The next prime is 974563. The reversal of 974561 is 165479.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 960400 + 14161 = 980^2 + 119^2 .

It is not a de Polignac number, because 974561 - 2² = 974557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974563) 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 5 ways as a sum of consecutive naturals, for example, 9896 + ... + 9993.

It is an arithmetic number, because the mean of its divisors is an integer number (188955).

2⁹⁷⁴⁵⁶¹ is an apocalyptic number.

It is an amenable number.

974561 is a deficient number, since it is larger than the sum of its proper divisors (159169).

974561 is a wasteful number, since it uses less digits than its factorization.

974561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19903 (or 19896 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 974561 is about 987.1985615873. The cubic root of 974561 is about 99.1447394810.

The spelling of 974561 in words is "nine hundred seventy-four thousand, five hundred sixty-one".