897557000 has 32 divisors (see below), whose sum is σ = 2100285720. Its totient is φ = 359022400.

The previous prime is 897556969. The next prime is 897557009. The reversal of 897557000 is 755798.

It is a happy number.

897557000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 68923204 + 828633796 = 8302^2 + 28786^2 .

It is not an unprimeable number, because it can be changed into a prime (897557009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447779 + ... + 449778.

Almost surely, 2^897557000 is an apocalyptic number.

It is an amenable number.

897557000 is an abundant number, since it is smaller than the sum of its proper divisors (1202728720).

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

897557000 is a wasteful number, since it uses less digits than its factorization.

897557000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897578 (or 897564 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 897557000 is about 29959.2556649861. The cubic root of 897557000 is about 964.6150038764.

The spelling of 897557000 in words is "eight hundred ninety-seven million, five hundred fifty-seven thousand".