898727453 has 4 divisors (see below), whose sum is σ = 967860348. Its totient is φ = 829594560.

The previous prime is 898727441. The next prime is 898727513. The reversal of 898727453 is 354727898.

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 112317604 + 786409849 = 10598^2 + 28043^2 .

It is a cyclic number.

It is not a de Polignac number, because 898727453 - 2⁴ = 898727437 is a prime.

It is a super-2 number, since 2×898727453² = 1615422069551734418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 898727395 and 898727404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898727153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34566428 + ... + 34566453.

It is an arithmetic number, because the mean of its divisors is an integer number (241965087).

Almost surely, 2^898727453 is an apocalyptic number.

It is an amenable number.

898727453 is a deficient number, since it is larger than the sum of its proper divisors (69132895).

898727453 is a wasteful number, since it uses less digits than its factorization.

898727453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69132894.

The product of its digits is 3386880, while the sum is 53.

The square root of 898727453 is about 29978.7833809179. The cubic root of 898727453 is about 965.0341215887.

The spelling of 898727453 in words is "eight hundred ninety-eight million, seven hundred twenty-seven thousand, four hundred fifty-three".