698785442 has 8 divisors (see below), whose sum is σ = 1109835756. Its totient is φ = 328840192.

The previous prime is 698785403. The next prime is 698785453. The reversal of 698785442 is 244587896.

698785442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 543309481 + 155475961 = 23309^2 + 12469^2 .

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

It is a super-2 number, since 2×698785442² = 976602187902270728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10276223 + ... + 10276290.

Almost surely, 2^698785442 is an apocalyptic number.

698785442 is a deficient number, since it is larger than the sum of its proper divisors (411050314).

698785442 is a wasteful number, since it uses less digits than its factorization.

698785442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20552532.

The product of its digits is 3870720, while the sum is 53.

The square root of 698785442 is about 26434.5501569442. The cubic root of 698785442 is about 887.3901754468.

It can be divided in two parts, 6987854 and 42, that added together give a palindrome (6987896).

The spelling of 698785442 in words is "six hundred ninety-eight million, seven hundred eighty-five thousand, four hundred forty-two".