698099028 has 24 divisors (see below), whose sum is σ = 1776979680. Its totient is φ = 211545120.

The previous prime is 698099027. The next prime is 698099041. The reversal of 698099028 is 820990896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698099027) 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 7 ways as a sum of consecutive naturals, for example, 2644183 + ... + 2644446.

It is an arithmetic number, because the mean of its divisors is an integer number (74040820).

Almost surely, 2^698099028 is an apocalyptic number.

It is an amenable number.

698099028 is an abundant number, since it is smaller than the sum of its proper divisors (1078880652).

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

698099028 is a wasteful number, since it uses less digits than its factorization.

698099028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288647 (or 5288645 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 698099028 is about 26421.5636933169. The cubic root of 698099028 is about 887.0995203775.

The spelling of 698099028 in words is "six hundred ninety-eight million, ninety-nine thousand, twenty-eight".