897678 has 12 divisors (see below), whose sum is σ = 1945008. Its totient is φ = 299220.

The previous prime is 897671. The next prime is 897691. The reversal of 897678 is 876798.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24918 + ... + 24953.

It is an arithmetic number, because the mean of its divisors is an integer number (162084).

2⁸⁹⁷⁶⁷⁸ is an apocalyptic number.

897678 is an abundant number, since it is smaller than the sum of its proper divisors (1047330).

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

897678 is a wasteful number, since it uses less digits than its factorization.

897678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49879 (or 49876 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 897678 is about 947.4587062242. The cubic root of 897678 is about 96.4658348634.

The spelling of 897678 in words is "eight hundred ninety-seven thousand, six hundred seventy-eight".