897506920 has 32 divisors (see below), whose sum is σ = 2107192320. Its totient is φ = 343393600.

The previous prime is 897506917. The next prime is 897506921. The reversal of 897506920 is 29605798.

It is a Harshad number since it is a multiple of its sum of digits (46).

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 7 ways as a sum of consecutive naturals, for example, 486856 + ... + 488695.

It is an arithmetic number, because the mean of its divisors is an integer number (65849760).

Almost surely, 2^897506920 is an apocalyptic number.

It is an amenable number.

897506920 is an abundant number, since it is smaller than the sum of its proper divisors (1209685400).

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

897506920 is a wasteful number, since it uses less digits than its factorization.

897506920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975585 (or 975581 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 897506920 is about 29958.4198515209. The cubic root of 897506920 is about 964.5970630222.

The spelling of 897506920 in words is "eight hundred ninety-seven million, five hundred six thousand, nine hundred twenty".