897622 has 8 divisors (see below), whose sum is σ = 1468872. Its totient is φ = 408000.

The previous prime is 897607. The next prime is 897629. The reversal of 897622 is 226798.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897629) by changing a digit.

897622 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 20379 + ... + 20422.

It is an arithmetic number, because the mean of its divisors is an integer number (183609).

2⁸⁹⁷⁶²² is an apocalyptic number.

897622 is a deficient number, since it is larger than the sum of its proper divisors (571250).

897622 is a wasteful number, since it uses less digits than its factorization.

897622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40814.

The product of its digits is 12096, while the sum is 34.

The square root of 897622 is about 947.4291530241. The cubic root of 897622 is about 96.4638288734.

It can be divided in two parts, 8976 and 22, that added together give a palindrome (8998).

The spelling of 897622 in words is "eight hundred ninety-seven thousand, six hundred twenty-two".