997490704 has 40 divisors (see below), whose sum is σ = 2213082560. Its totient is φ = 426653568.

The previous prime is 997490653. The next prime is 997490713. The reversal of 997490704 is 407094799.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50062 + ... + 67090.

It is an arithmetic number, because the mean of its divisors is an integer number (55327064).

Almost surely, 2^997490704 is an apocalyptic number.

It is an amenable number.

997490704 is an abundant number, since it is smaller than the sum of its proper divisors (1215591856).

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

997490704 is a wasteful number, since it uses less digits than its factorization.

997490704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17567 (or 17561 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 997490704 is about 31583.0762276255. The cubic root of 997490704 is about 999.1628674046.

The spelling of 997490704 in words is "nine hundred ninety-seven million, four hundred ninety thousand, seven hundred four".