898226720 has 24 divisors (see below), whose sum is σ = 2122061004. Its totient is φ = 359290624.

The previous prime is 898226713. The next prime is 898226741. The reversal of 898226720 is 27622898.

It can be written as a sum of positive squares in 2 ways, for example, as 758892304 + 139334416 = 27548^2 + 11804^2 .

It is a super-2 number, since 2×898226720² = 1613622481043916800, which contains 22 as substring.

It is an unprimeable number.

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, 2806799 + ... + 2807118.

Almost surely, 2^898226720 is an apocalyptic number.

898226720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

898226720 is an abundant number, since it is smaller than the sum of its proper divisors (1223834284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898226720 is a wasteful number, since it uses less digits than its factorization.

898226720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613932 (or 5613924 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 898226720 is about 29970.4307610018. The cubic root of 898226720 is about 964.8548628672.

The spelling of 898226720 in words is "eight hundred ninety-eight million, two hundred twenty-six thousand, seven hundred twenty".