698648859 has 12 divisors (see below), whose sum is σ = 1010161152. Its totient is φ = 465303600.

The previous prime is 698648857. The next prime is 698648861. The reversal of 698648859 is 958846896.

It is an interprime number because it is at equal distance from previous prime (698648857) and next prime (698648861).

It is not a de Polignac number, because 698648859 - 2¹ = 698648857 is a prime.

It is a super-2 number, since 2×698648859² = 976220456364003762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 698648796 and 698648805.

It is not an unprimeable number, because it can be changed into a prime (698648857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28827 + ... + 47204.

It is an arithmetic number, because the mean of its divisors is an integer number (84180096).

Almost surely, 2^698648859 is an apocalyptic number.

698648859 is a deficient number, since it is larger than the sum of its proper divisors (311512293).

698648859 is a wasteful number, since it uses less digits than its factorization.

698648859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77058 (or 77055 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The square root of 698648859 is about 26431.9666124184. The cubic root of 698648859 is about 887.3323559300.

The spelling of 698648859 in words is "six hundred ninety-eight million, six hundred forty-eight thousand, eight hundred fifty-nine".