698981349 has 16 divisors (see below), whose sum is σ = 1017207360. Its totient is φ = 423413760.

The previous prime is 698981341. The next prime is 698981359. The reversal of 698981349 is 943189896.

It is not a de Polignac number, because 698981349 - 2³ = 698981341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698981341) 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 15 ways as a sum of consecutive naturals, for example, 84799 + ... + 92675.

It is an arithmetic number, because the mean of its divisors is an integer number (63575460).

Almost surely, 2^698981349 is an apocalyptic number.

It is an amenable number.

698981349 is a deficient number, since it is larger than the sum of its proper divisors (318226011).

698981349 is a wasteful number, since it uses less digits than its factorization.

698981349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10580.

The product of its digits is 3359232, while the sum is 57.

The square root of 698981349 is about 26438.2554076475. The cubic root of 698981349 is about 887.4730953690.

The spelling of 698981349 in words is "six hundred ninety-eight million, nine hundred eighty-one thousand, three hundred forty-nine".