698850985 has 24 divisors (see below), whose sum is σ = 987914880. Its totient is φ = 473133024.

The previous prime is 698850967. The next prime is 698851039. The reversal of 698850985 is 589058896.

It is a happy number.

It is not a de Polignac number, because 698850985 - 2¹⁷ = 698719913 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1302 + ... + 37408.

It is an arithmetic number, because the mean of its divisors is an integer number (41163120).

Almost surely, 2^698850985 is an apocalyptic number.

It is an amenable number.

698850985 is a deficient number, since it is larger than the sum of its proper divisors (289063895).

698850985 is a wasteful number, since it uses less digits than its factorization.

698850985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36205 (or 36198 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 58.

The square root of 698850985 is about 26435.7898501255. The cubic root of 698850985 is about 887.4179190108.

The spelling of 698850985 in words is "six hundred ninety-eight million, eight hundred fifty thousand, nine hundred eighty-five".