698884380 has 36 divisors (see below), whose sum is σ = 2119949832. Its totient is φ = 186369120.

The previous prime is 698884363. The next prime is 698884387. The reversal of 698884380 is 83488896.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698884387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1941166 + ... + 1941525.

Almost surely, 2^698884380 is an apocalyptic number.

698884380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

698884380 is an abundant number, since it is smaller than the sum of its proper divisors (1421065452).

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

698884380 is a wasteful number, since it uses less digits than its factorization.

698884380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882706 (or 3882701 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 698884380 is about 26436.4214673620. The cubic root of 698884380 is about 887.4320540458.

The spelling of 698884380 in words is "six hundred ninety-eight million, eight hundred eighty-four thousand, three hundred eighty".