997000050 has 48 divisors (see below), whose sum is σ = 2477778912. Its totient is φ = 265305600.

The previous prime is 997000007. The next prime is 997000051. The reversal of 997000050 is 50000799.

It is a happy number.

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 = 996999981 and 997000017.

It is not an unprimeable number, because it can be changed into a prime (997000051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66882 + ... + 80418.

It is an arithmetic number, because the mean of its divisors is an integer number (51620394).

Almost surely, 2^997000050 is an apocalyptic number.

997000050 is an abundant number, since it is smaller than the sum of its proper divisors (1480778862).

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

997000050 is a wasteful number, since it uses less digits than its factorization.

997000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14043 (or 14038 counting only the distinct ones).

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

The square root of 997000050 is about 31575.3075994518. The cubic root of 997000050 is about 998.9990150301. Note that the first 3 decimals are identical.

The spelling of 997000050 in words is "nine hundred ninety-seven million, fifty", and thus it is an aban number.