997336630 has 16 divisors (see below), whose sum is σ = 1797933744. Its totient is φ = 398328480.

The previous prime is 997336609. The next prime is 997336633. The reversal of 997336630 is 36633799.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997336633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68832 + ... + 82051.

It is an arithmetic number, because the mean of its divisors is an integer number (112370859).

Almost surely, 2^997336630 is an apocalyptic number.

997336630 is a deficient number, since it is larger than the sum of its proper divisors (800597114).

997336630 is a wasteful number, since it uses less digits than its factorization.

997336630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151551.

The product of its (nonzero) digits is 551124, while the sum is 46.

The square root of 997336630 is about 31580.6369473448. The cubic root of 997336630 is about 999.1114206606. Note that the first 3 decimals are identical.

The spelling of 997336630 in words is "nine hundred ninety-seven million, three hundred thirty-six thousand, six hundred thirty".