698611662 has 64 divisors (see below), whose sum is σ = 1778227200. Its totient is φ = 199156320.

The previous prime is 698611649. The next prime is 698611663. The reversal of 698611662 is 266116896.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698611663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190587 + ... + 194217.

It is an arithmetic number, because the mean of its divisors is an integer number (27784800).

Almost surely, 2^698611662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698611662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889113600).

698611662 is an abundant number, since it is smaller than the sum of its proper divisors (1079615538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

698611662 is a wasteful number, since it uses less digits than its factorization.

698611662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158 (or 4152 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 698611662 is about 26431.2629664191. The cubic root of 698611662 is about 887.3166080632.

The spelling of 698611662 in words is "six hundred ninety-eight million, six hundred eleven thousand, six hundred sixty-two".