698088048 has 80 divisors (see below), whose sum is σ = 2082366720. Its totient is φ = 197388288.

The previous prime is 698088031. The next prime is 698088073. The reversal of 698088048 is 840880896.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21883 + ... + 43301.

It is an arithmetic number, because the mean of its divisors is an integer number (26029584).

Almost surely, 2^698088048 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 698088048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041183360).

698088048 is an abundant number, since it is smaller than the sum of its proper divisors (1384278672).

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

698088048 is a wasteful number, since it uses less digits than its factorization.

698088048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21534 (or 21528 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The square root of 698088048 is about 26421.3559076744. The cubic root of 698088048 is about 887.0948694596.

The spelling of 698088048 in words is "six hundred ninety-eight million, eighty-eight thousand, forty-eight".