897948072 has 128 divisors (see below), whose sum is σ = 2859667200. Its totient is φ = 255744000.

The previous prime is 897948071. The next prime is 897948091. The reversal of 897948072 is 270849798.

897948072 is a `hidden beast` number, since 8 + 97 + 9 + 480 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (897948071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605572 + ... + 607052.

It is an arithmetic number, because the mean of its divisors is an integer number (22341150).

Almost surely, 2^897948072 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 897948072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429833600).

897948072 is an abundant number, since it is smaller than the sum of its proper divisors (1961719128).

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

897948072 is a wasteful number, since it uses less digits than its factorization.

897948072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 897948072 is about 29965.7816851154. The cubic root of 897948072 is about 964.7550800848.

The spelling of 897948072 in words is "eight hundred ninety-seven million, nine hundred forty-eight thousand, seventy-two".