897774 has 8 divisors (see below), whose sum is σ = 1795560. Its totient is φ = 299256.

The previous prime is 897751. The next prime is 897779. The reversal of 897774 is 477798.

It is a sphenic number, since it is the product of 3 distinct primes.

897774 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74809 + ... + 74820.

It is an arithmetic number, because the mean of its divisors is an integer number (224445).

2⁸⁹⁷⁷⁷⁴ is an apocalyptic number.

897774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

897774 is a wasteful number, since it uses less digits than its factorization.

897774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149634.

The product of its digits is 98784, while the sum is 42.

The square root of 897774 is about 947.5093667083. The cubic root of 897774 is about 96.4692735092.

The spelling of 897774 in words is "eight hundred ninety-seven thousand, seven hundred seventy-four".