898451605 has 4 divisors (see below), whose sum is σ = 1078141932. Its totient is φ = 718761280.

The previous prime is 898451591. The next prime is 898451611. The reversal of 898451605 is 506154898.

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 699020721 + 199430884 = 26439^2 + 14122^2 .

It is not a de Polignac number, because 898451605 - 2¹¹ = 898449557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89845156 + ... + 89845165.

It is an arithmetic number, because the mean of its divisors is an integer number (269535483).

Almost surely, 2^898451605 is an apocalyptic number.

It is an amenable number.

898451605 is a deficient number, since it is larger than the sum of its proper divisors (179690327).

898451605 is a wasteful number, since it uses less digits than its factorization.

898451605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179690326.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 898451605 is about 29974.1823074459. The cubic root of 898451605 is about 964.9353782780.

The spelling of 898451605 in words is "eight hundred ninety-eight million, four hundred fifty-one thousand, six hundred five".