897910441 has 4 divisors (see below), whose sum is σ = 928872900. Its totient is φ = 866947984.

The previous prime is 897910427. The next prime is 897910463. The reversal of 897910441 is 144019798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 473715225 + 424195216 = 21765^2 + 20596^2 .

It is a cyclic number.

It is not a de Polignac number, because 897910441 - 2⁷ = 897910313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897910241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15481186 + ... + 15481243.

It is an arithmetic number, because the mean of its divisors is an integer number (232218225).

Almost surely, 2^897910441 is an apocalyptic number.

It is an amenable number.

897910441 is a deficient number, since it is larger than the sum of its proper divisors (30962459).

897910441 is a wasteful number, since it uses less digits than its factorization.

897910441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30962458.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 897910441 is about 29965.1537790147. The cubic root of 897910441 is about 964.7416029857.

The spelling of 897910441 in words is "eight hundred ninety-seven million, nine hundred ten thousand, four hundred forty-one".