698956560 has 80 divisors (see below), whose sum is σ = 2407524480. Its totient is φ = 186387840.

The previous prime is 698956549. The next prime is 698956567. The reversal of 698956560 is 65659896.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 698956497 and 698956506.

It is not an unprimeable number, because it can be changed into a prime (698956567) 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 15 ways as a sum of consecutive naturals, for example, 159636 + ... + 163955.

It is an arithmetic number, because the mean of its divisors is an integer number (30094056).

Almost surely, 2^698956560 is an apocalyptic number.

698956560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

698956560 is an abundant number, since it is smaller than the sum of its proper divisors (1708567920).

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

698956560 is a wasteful number, since it uses less digits than its factorization.

698956560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323613 (or 323601 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The square root of 698956560 is about 26437.7865941913. The cubic root of 698956560 is about 887.4626039920.

The spelling of 698956560 in words is "six hundred ninety-eight million, nine hundred fifty-six thousand, five hundred sixty".