997298269 has 8 divisors (see below), whose sum is σ = 1113263712. Its totient is φ = 885549840.

The previous prime is 997298261. The next prime is 997298279. The reversal of 997298269 is 962892799.

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 997298269 - 2³ = 997298261 is a prime.

It is a super-2 number, since 2×997298269² = 1989207674700792722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997298261) 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, 1053754 + ... + 1054699.

It is an arithmetic number, because the mean of its divisors is an integer number (139157964).

Almost surely, 2^997298269 is an apocalyptic number.

It is an amenable number.

997298269 is a deficient number, since it is larger than the sum of its proper divisors (115965443).

997298269 is a wasteful number, since it uses less digits than its factorization.

997298269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108507.

The product of its digits is 8817984, while the sum is 61.

The square root of 997298269 is about 31580.0295914998. The cubic root of 997298269 is about 999.0986107415.

It can be divided in two parts, 9972 and 98269, that added together give a square (108241 = 329²).

The spelling of 997298269 in words is "nine hundred ninety-seven million, two hundred ninety-eight thousand, two hundred sixty-nine".