845696898 has 48 divisors (see below), whose sum is σ = 1898769600. Its totient is φ = 271713120.

The previous prime is 845696893. The next prime is 845696903. The reversal of 845696898 is 898696548.

845696898 is a `hidden beast` number, since 8 + 4 + 569 + 68 + 9 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (845696893) and next prime (845696903).

It is not an unprimeable number, because it can be changed into a prime (845696893) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 436993 + ... + 438923.

It is an arithmetic number, because the mean of its divisors is an integer number (39557700).

Almost surely, 2^845696898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845696898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949384800).

845696898 is an abundant number, since it is smaller than the sum of its proper divisors (1053072702).

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

845696898 is a wasteful number, since it uses less digits than its factorization.

845696898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2804 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The square root of 845696898 is about 29080.8682470108. The cubic root of 845696898 is about 945.6670255019.

The spelling of 845696898 in words is "eight hundred forty-five million, six hundred ninety-six thousand, eight hundred ninety-eight".