997346 has 12 divisors (see below), whose sum is σ = 1740438. Its totient is φ = 427392.

The previous prime is 997343. The next prime is 997357. The reversal of 997346 is 643799.

It can be written as a sum of positive squares in only one way, i.e., 790321 + 207025 = 889^2 + 455^2 .

It is not an unprimeable number, because it can be changed into a prime (997343) 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, 4991 + ... + 5186.

2⁹⁹⁷³⁴⁶ is an apocalyptic number.

997346 is a deficient number, since it is larger than the sum of its proper divisors (743092).

997346 is a wasteful number, since it uses less digits than its factorization.

997346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10193 (or 10186 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 997346 is about 998.6721183652. The cubic root of 997346 is about 99.9114549542.

The spelling of 997346 in words is "nine hundred ninety-seven thousand, three hundred forty-six".