897111936 has 320 divisors, whose sum is σ = 3127956480. Its totient is φ = 249910272.

The previous prime is 897111931. The next prime is 897111937. The reversal of 897111936 is 639111798.

897111936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 897111891 and 897111900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897111931) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3410941 + ... + 3411203.

It is an arithmetic number, because the mean of its divisors is an integer number (9774864).

Almost surely, 2^897111936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897111936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563978240).

897111936 is an abundant number, since it is smaller than the sum of its proper divisors (2230844544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897111936 is a wasteful number, since it uses less digits than its factorization.

897111936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 322 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 897111936 is about 29951.8269225769. The cubic root of 897111936 is about 964.4555390209.

The spelling of 897111936 in words is "eight hundred ninety-seven million, one hundred eleven thousand, nine hundred thirty-six".