997234000 has 320 divisors, whose sum is σ = 3045519360. Its totient is φ = 307929600.

The previous prime is 997233983. The next prime is 997234003. The reversal of 997234000 is 432799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997234003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6117919 + ... + 6118081.

It is an arithmetic number, because the mean of its divisors is an integer number (9517248).

Almost surely, 2^997234000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997234000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522759680).

997234000 is an abundant number, since it is smaller than the sum of its proper divisors (2048285360).

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

997234000 is a wasteful number, since it uses less digits than its factorization.

997234000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 219 counting only the distinct ones).

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

The square root of 997234000 is about 31579.0120174777. The cubic root of 997234000 is about 999.0771486073.

Adding to 997234000 its reverse (432799), we get a palindrome (997666799).

The spelling of 997234000 in words is "nine hundred ninety-seven million, two hundred thirty-four thousand".