698248005 has 144 divisors (see below), whose sum is σ = 1472549760. Its totient is φ = 276576768.

The previous prime is 698247989. The next prime is 698248039. The reversal of 698248005 is 500842896.

It is not a de Polignac number, because 698248005 - 2⁴ = 698247989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6405891 + ... + 6405999.

It is an arithmetic number, because the mean of its divisors is an integer number (10226040).

Almost surely, 2^698248005 is an apocalyptic number.

698248005 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

698248005 is an abundant number, since it is smaller than the sum of its proper divisors (774301755).

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

698248005 is a wasteful number, since it uses less digits than its factorization.

698248005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 698248005 is about 26424.3827742485. The cubic root of 698248005 is about 887.1626193649.

The spelling of 698248005 in words is "six hundred ninety-eight million, two hundred forty-eight thousand, five".