898139180 has 12 divisors (see below), whose sum is σ = 1886092320. Its totient is φ = 359255664.

The previous prime is 898139171. The next prime is 898139183. The reversal of 898139180 is 81931898.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (898139183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22453460 + ... + 22453499.

It is an arithmetic number, because the mean of its divisors is an integer number (157174360).

Almost surely, 2^898139180 is an apocalyptic number.

It is an amenable number.

898139180 is an abundant number, since it is smaller than the sum of its proper divisors (987953140).

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

898139180 is a wasteful number, since it uses less digits than its factorization.

898139180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44906968 (or 44906966 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 47.

The square root of 898139180 is about 29968.9702859474. The cubic root of 898139180 is about 964.8235173517.

The spelling of 898139180 in words is "eight hundred ninety-eight million, one hundred thirty-nine thousand, one hundred eighty".