897487228 has 24 divisors (see below), whose sum is σ = 1753234560. Its totient is φ = 398460720.

The previous prime is 897487189. The next prime is 897487243. The reversal of 897487228 is 822784798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235288 + ... + 239071.

It is an arithmetic number, because the mean of its divisors is an integer number (73051440).

Almost surely, 2^897487228 is an apocalyptic number.

It is an amenable number.

897487228 is a deficient number, since it is larger than the sum of its proper divisors (855747332).

897487228 is a wasteful number, since it uses less digits than its factorization.

897487228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474417 (or 474415 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The square root of 897487228 is about 29958.0911941999. The cubic root of 897487228 is about 964.5900083006.

The spelling of 897487228 in words is "eight hundred ninety-seven million, four hundred eighty-seven thousand, two hundred twenty-eight".