698528448 has 140 divisors (see below), whose sum is σ = 2088928512. Its totient is φ = 230791680.

The previous prime is 698528431. The next prime is 698528449. The reversal of 698528448 is 844825896.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 698528394 and 698528403.

It is not an unprimeable number, because it can be changed into a prime (698528449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 657838 + ... + 658898.

Almost surely, 2^698528448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698528448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044464256).

698528448 is an abundant number, since it is smaller than the sum of its proper divisors (1390400064).

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

698528448 is a wasteful number, since it uses less digits than its factorization.

698528448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1193 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 698528448 is about 26429.6887609370. The cubic root of 698528448 is about 887.2813762360.

The spelling of 698528448 in words is "six hundred ninety-eight million, five hundred twenty-eight thousand, four hundred forty-eight".