898561386 has 48 divisors (see below), whose sum is σ = 1984694400. Its totient is φ = 293728704.

The previous prime is 898561379. The next prime is 898561387. The reversal of 898561386 is 683165898.

It is not an unprimeable number, because it can be changed into a prime (898561387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 603535 + ... + 605021.

It is an arithmetic number, because the mean of its divisors is an integer number (41347800).

Almost surely, 2^898561386 is an apocalyptic number.

898561386 is an abundant number, since it is smaller than the sum of its proper divisors (1086133014).

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

898561386 is a wasteful number, since it uses less digits than its factorization.

898561386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123 (or 2120 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 898561386 is about 29976.0135108056. The cubic root of 898561386 is about 964.9746782084.

The spelling of 898561386 in words is "eight hundred ninety-eight million, five hundred sixty-one thousand, three hundred eighty-six".