997338017 has 8 divisors (see below), whose sum is σ = 1075366656. Its totient is φ = 919496592.

The previous prime is 997338011. The next prime is 997338037. The reversal of 997338017 is 710833799.

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

It is a cyclic number.

It is not a de Polignac number, because 997338017 - 2⁶ = 997337953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (997338011) 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, 35633 + ... + 57134.

It is an arithmetic number, because the mean of its divisors is an integer number (134420832).

Almost surely, 2^997338017 is an apocalyptic number.

It is an amenable number.

997338017 is a deficient number, since it is larger than the sum of its proper divisors (78028639).

997338017 is a wasteful number, since it uses less digits than its factorization.

997338017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93607.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 997338017 is about 31580.6589069956. The cubic root of 997338017 is about 999.1118838165. Note that the first 3 decimals are identical.

The spelling of 997338017 in words is "nine hundred ninety-seven million, three hundred thirty-eight thousand, seventeen".