897744 has 40 divisors (see below), whose sum is σ = 2365920. Its totient is φ = 293248.

The previous prime is 897727. The next prime is 897751. The reversal of 897744 is 447798.

897744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2674 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (59148).

2⁸⁹⁷⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182960).

897744 is an abundant number, since it is smaller than the sum of its proper divisors (1468176).

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

897744 is a wasteful number, since it uses less digits than its factorization.

897744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 381 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 897744 is about 947.4935355980. The cubic root of 897744 is about 96.4681989587.

The spelling of 897744 in words is "eight hundred ninety-seven thousand, seven hundred forty-four".