897611 has 8 divisors (see below), whose sum is σ = 1054704. Its totient is φ = 753120.

The previous prime is 897607. The next prime is 897629. The reversal of 897611 is 116798.

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

It is a cyclic number.

It is not a de Polignac number, because 897611 - 2² = 897607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897601) 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 7 ways as a sum of consecutive naturals, for example, 2996 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (131838).

2⁸⁹⁷⁶¹¹ is an apocalyptic number.

897611 is a deficient number, since it is larger than the sum of its proper divisors (157093).

897611 is a wasteful number, since it uses less digits than its factorization.

897611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301.

The product of its digits is 3024, while the sum is 32.

The square root of 897611 is about 947.4233478229. The cubic root of 897611 is about 96.4634348299.

The spelling of 897611 in words is "eight hundred ninety-seven thousand, six hundred eleven".