997270446 has 8 divisors (see below), whose sum is σ = 1994540904. Its totient is φ = 332423480.

The previous prime is 997270441. The next prime is 997270457. The reversal of 997270446 is 644072799.

It is a sphenic number, since it is the product of 3 distinct primes.

997270446 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 997270395 and 997270404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997270441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83105865 + ... + 83105876.

It is an arithmetic number, because the mean of its divisors is an integer number (249317613).

Almost surely, 2^997270446 is an apocalyptic number.

997270446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

997270446 is a wasteful number, since it uses less digits than its factorization.

997270446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166211746.

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 997270446 is about 31579.5890726906. The cubic root of 997270446 is about 999.0893195796.

The spelling of 997270446 in words is "nine hundred ninety-seven million, two hundred seventy thousand, four hundred forty-six".