698496849 has 6 divisors (see below), whose sum is σ = 1008939906. Its totient is φ = 465664560.

The previous prime is 698496817. The next prime is 698496853. The reversal of 698496849 is 948694896.

698496849 is a `hidden beast` number, since 69 + 8 + 496 + 84 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 459330624 + 239166225 = 21432^2 + 15465^2 .

It is not a de Polignac number, because 698496849 - 2⁵ = 698496817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (698496649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38805372 + ... + 38805389.

It is an arithmetic number, because the mean of its divisors is an integer number (168156651).

Almost surely, 2^698496849 is an apocalyptic number.

It is an amenable number.

698496849 is a deficient number, since it is larger than the sum of its proper divisors (310443057).

698496849 is a wasteful number, since it uses less digits than its factorization.

698496849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77610767 (or 77610764 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The square root of 698496849 is about 26429.0909605306. The cubic root of 698496849 is about 887.2679968587.

The spelling of 698496849 in words is "six hundred ninety-eight million, four hundred ninety-six thousand, eight hundred forty-nine".