897296550 has 96 divisors (see below), whose sum is σ = 2432415744. Its totient is φ = 217920000.

The previous prime is 897296531. The next prime is 897296557. The reversal of 897296550 is 55692798.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 897296493 and 897296502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897296557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73375 + ... + 84725.

It is an arithmetic number, because the mean of its divisors is an integer number (25337664).

Almost surely, 2^897296550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897296550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216207872).

897296550 is an abundant number, since it is smaller than the sum of its proper divisors (1535119194).

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

897296550 is a wasteful number, since it uses less digits than its factorization.

897296550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11414 (or 11409 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The square root of 897296550 is about 29954.9086127800. The cubic root of 897296550 is about 964.5216919633.

The spelling of 897296550 in words is "eight hundred ninety-seven million, two hundred ninety-six thousand, five hundred fifty".