997064 has 8 divisors (see below), whose sum is σ = 1869510. Its totient is φ = 498528.

The previous prime is 997057. The next prime is 997069. The reversal of 997064 is 460799.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 574564 + 422500 = 758^2 + 650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (997069) by changing a digit.

997064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62309 + ... + 62324.

2⁹⁹⁷⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

997064 is a deficient number, since it is larger than the sum of its proper divisors (872446).

997064 is a wasteful number, since it uses less digits than its factorization.

997064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124639 (or 124635 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 997064 is about 998.5309209033. The cubic root of 997064 is about 99.9020373980.

The spelling of 997064 in words is "nine hundred ninety-seven thousand, sixty-four".