897796418 has 12 divisors (see below), whose sum is σ = 1430572722. Its totient is φ = 422492160.

The previous prime is 897796411. The next prime is 897796423. The reversal of 897796418 is 814697798.

It can be written as a sum of positive squares in 3 ways, for example, as 854802169 + 42994249 = 29237^2 + 6557^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (897796411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 776063 + ... + 777218.

Almost surely, 2^897796418 is an apocalyptic number.

897796418 is a deficient number, since it is larger than the sum of its proper divisors (532776304).

897796418 is a wasteful number, since it uses less digits than its factorization.

897796418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553317 (or 1553300 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 59.

The square root of 897796418 is about 29963.2511253368. The cubic root of 897796418 is about 964.7007646929.

The spelling of 897796418 in words is "eight hundred ninety-seven million, seven hundred ninety-six thousand, four hundred eighteen".