997324 has 12 divisors (see below), whose sum is σ = 1756944. Its totient is φ = 495344.

The previous prime is 997319. The next prime is 997327. The reversal of 997324 is 423799.

It is a d-powerful number, because it can be written as 9² + 9⁴ + 3⁹ + 7⁷ + 2¹⁷ + 4⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 997324.

It is not an unprimeable number, because it can be changed into a prime (997327) 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 3 ways as a sum of consecutive naturals, for example, 79 + ... + 1414.

It is an arithmetic number, because the mean of its divisors is an integer number (146412).

2⁹⁹⁷³²⁴ is an apocalyptic number.

It is an amenable number.

997324 is a deficient number, since it is larger than the sum of its proper divisors (759620).

997324 is a wasteful number, since it uses less digits than its factorization.

997324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 1662 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 997324 is about 998.6611036783. The cubic root of 997324 is about 99.9107203151.

The spelling of 997324 in words is "nine hundred ninety-seven thousand, three hundred twenty-four".