997050 has 72 divisors (see below), whose sum is σ = 2740896. Its totient is φ = 239360.

The previous prime is 997043. The next prime is 997057. The reversal of 997050 is 50799.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (997043) and next prime (997057).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 996999 and 997017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997057) 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 35 ways as a sum of consecutive naturals, for example, 43339 + ... + 43361.

It is an arithmetic number, because the mean of its divisors is an integer number (38068).

2⁹⁹⁷⁰⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370448).

997050 is an abundant number, since it is smaller than the sum of its proper divisors (1743846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997050 is a wasteful number, since it uses less digits than its factorization.

997050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 997050 is about 998.5239105800. The cubic root of 997050 is about 99.9015698134.

The spelling of 997050 in words is "nine hundred ninety-seven thousand, fifty".