698124228 has 12 divisors (see below), whose sum is σ = 1628956560. Its totient is φ = 232708072.

The previous prime is 698124223. The next prime is 698124269. The reversal of 698124228 is 822421896.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 698124228.

It is not an unprimeable number, because it can be changed into a prime (698124223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29088498 + ... + 29088521.

It is an arithmetic number, because the mean of its divisors is an integer number (135746380).

Almost surely, 2^698124228 is an apocalyptic number.

It is an amenable number.

698124228 is an abundant number, since it is smaller than the sum of its proper divisors (930832332).

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

698124228 is a wasteful number, since it uses less digits than its factorization.

698124228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58177026 (or 58177024 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 698124228 is about 26422.0405722192. The cubic root of 698124228 is about 887.1101944309.

The spelling of 698124228 in words is "six hundred ninety-eight million, one hundred twenty-four thousand, two hundred twenty-eight".