897506928 has 60 divisors (see below), whose sum is σ = 2579673928. Its totient is φ = 291081600.

The previous prime is 897506921. The next prime is 897506957. The reversal of 897506928 is 829605798.

It is a happy number.

It is a super-3 number, since 3×897506928³ (a number of 28 digits) contains 333 as substring.

It is a Sastry number since concatenated with its successor gives a square.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897506921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78898 + ... + 89553.

Almost surely, 2^897506928 is an apocalyptic number.

It is an amenable number.

897506928 is an abundant number, since it is smaller than the sum of its proper divisors (1682167000).

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

897506928 is a wasteful number, since it uses less digits than its factorization.

897506928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168502 (or 168493 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 897506928 is about 29958.4199850393. The cubic root of 897506928 is about 964.5970658882.

The spelling of 897506928 in words is "eight hundred ninety-seven million, five hundred six thousand, nine hundred twenty-eight".