974321 has 8 divisors (see below), whose sum is σ = 1060200. Its totient is φ = 891648.

The previous prime is 974317. The next prime is 974329. The reversal of 974321 is 123479.

It can be written as a sum of positive squares in 4 ways, for example, as 390625 + 583696 = 625^2 + 764^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 974321 - 2² = 974317 is a prime.

It is a super-2 number, since 2×974321² = 1898602822082, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (974329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 1403.

It is an arithmetic number, because the mean of its divisors is an integer number (132525).

2⁹⁷⁴³²¹ is an apocalyptic number.

It is an amenable number.

974321 is a deficient number, since it is larger than the sum of its proper divisors (85879).

974321 is a wasteful number, since it uses less digits than its factorization.

974321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603.

The product of its digits is 1512, while the sum is 26.

The square root of 974321 is about 987.0769980098. The cubic root of 974321 is about 99.1366001954.

The spelling of 974321 in words is "nine hundred seventy-four thousand, three hundred twenty-one".