997356284 has 24 divisors (see below), whose sum is σ = 1900592400. Its totient is φ = 456140160.

The previous prime is 997356271. The next prime is 997356299. The reversal of 997356284 is 482653799.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224057 + ... + 228464.

It is an arithmetic number, because the mean of its divisors is an integer number (79191350).

Almost surely, 2^997356284 is an apocalyptic number.

It is an amenable number.

997356284 is a deficient number, since it is larger than the sum of its proper divisors (903236116).

997356284 is a wasteful number, since it uses less digits than its factorization.

997356284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452573 (or 452571 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 53.

The square root of 997356284 is about 31580.9481174964. The cubic root of 997356284 is about 999.1179836091.

The spelling of 997356284 in words is "nine hundred ninety-seven million, three hundred fifty-six thousand, two hundred eighty-four".