898772841 has 40 divisors (see below), whose sum is σ = 1378897608. Its totient is φ = 583200000.

The previous prime is 898772839. The next prime is 898772891. The reversal of 898772841 is 148277898.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27342441 + 871430400 = 5229^2 + 29520^2 .

It is not a de Polignac number, because 898772841 - 2¹ = 898772839 is a prime.

It is a super-2 number, since 2×898772841² = 1615585239438422562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (898772891) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 498141 + ... + 499941.

Almost surely, 2^898772841 is an apocalyptic number.

898772841 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

898772841 is a deficient number, since it is larger than the sum of its proper divisors (480124767).

898772841 is a wasteful number, since it uses less digits than its factorization.

898772841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1966 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 898772841 is about 29979.5403733947. The cubic root of 898772841 is about 965.0503668665.

The spelling of 898772841 in words is "eight hundred ninety-eight million, seven hundred seventy-two thousand, eight hundred forty-one".