1027897 has 8 divisors (see below), whose sum is σ = 1137416. Its totient is φ = 922752.

The previous prime is 1027891. The next prime is 1027931. The reversal of 1027897 is 7987201.

It can be written as a sum of positive squares in 4 ways, for example, as 19881 + 1008016 = 141^2 + 1004^2 .

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 1027897 - 2¹⁹ = 503609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1027891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (142177).

2^1027897 is an apocalyptic number.

It is an amenable number.

1027897 is a deficient number, since it is larger than the sum of its proper divisors (109519).

1027897 is a wasteful number, since it uses less digits than its factorization.

1027897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1027897 is about 1013.8525533824. The cubic root of 1027897 is about 100.9213844336.

The spelling of 1027897 in words is "one million, twenty-seven thousand, eight hundred ninety-seven".