997297371 has 48 divisors (see below), whose sum is σ = 1726992384. Its totient is φ = 542624832.

The previous prime is 997297369. The next prime is 997297417. The reversal of 997297371 is 173792799.

It is a happy number.

It is not a de Polignac number, because 997297371 - 2¹ = 997297369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (997297361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105006 + ... + 114108.

It is an arithmetic number, because the mean of its divisors is an integer number (35979008).

Almost surely, 2^997297371 is an apocalyptic number.

997297371 is a deficient number, since it is larger than the sum of its proper divisors (729695013).

997297371 is a wasteful number, since it uses less digits than its factorization.

997297371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200 (or 9197 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 54.

The square root of 997297371 is about 31580.0153736505. The cubic root of 997297371 is about 999.0983108677.

The spelling of 997297371 in words is "nine hundred ninety-seven million, two hundred ninety-seven thousand, three hundred seventy-one".