897605269 has 4 divisors (see below), whose sum is σ = 979205760. Its totient is φ = 816004780.

The previous prime is 897605257. The next prime is 897605273. The reversal of 897605269 is 962506798.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 897605269 - 2⁷ = 897605141 is a prime.

It is a super-2 number, since 2×897605269² = 1611390437873124722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897605069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40800229 + ... + 40800250.

It is an arithmetic number, because the mean of its divisors is an integer number (244801440).

Almost surely, 2^897605269 is an apocalyptic number.

It is an amenable number.

897605269 is a deficient number, since it is larger than the sum of its proper divisors (81600491).

897605269 is a wasteful number, since it uses less digits than its factorization.

897605269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81600490.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 897605269 is about 29960.0612315796. The cubic root of 897605269 is about 964.6322953193.

The spelling of 897605269 in words is "eight hundred ninety-seven million, six hundred five thousand, two hundred sixty-nine".