698838385 has 8 divisors (see below), whose sum is σ = 958406976. Its totient is φ = 479203440.

The previous prime is 698838383. The next prime is 698838401. The reversal of 698838385 is 583838896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 698838385 - 2¹ = 698838383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698838383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9983371 + ... + 9983440.

It is an arithmetic number, because the mean of its divisors is an integer number (119800872).

Almost surely, 2^698838385 is an apocalyptic number.

It is an amenable number.

698838385 is a deficient number, since it is larger than the sum of its proper divisors (259568591).

698838385 is a wasteful number, since it uses less digits than its factorization.

698838385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19966823.

The product of its digits is 9953280, while the sum is 58.

The square root of 698838385 is about 26435.5515357633. The cubic root of 698838385 is about 887.4125857169.

The spelling of 698838385 in words is "six hundred ninety-eight million, eight hundred thirty-eight thousand, three hundred eighty-five".