698071842 has 24 divisors (see below), whose sum is σ = 1628834844. Its totient is φ = 214791264.

The previous prime is 698071831. The next prime is 698071853. The reversal of 698071842 is 248170896.

It is an interprime number because it is at equal distance from previous prime (698071831) and next prime (698071853).

It can be written as a sum of positive squares in 2 ways, for example, as 698069241 + 2601 = 26421^2 + 51^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1491373 + ... + 1491840.

Almost surely, 2^698071842 is an apocalyptic number.

698071842 is an abundant number, since it is smaller than the sum of its proper divisors (930763002).

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

698071842 is a wasteful number, since it uses less digits than its factorization.

698071842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983234 (or 2983231 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 698071842 is about 26421.0492221638. The cubic root of 698071842 is about 887.0880048190.

The spelling of 698071842 in words is "six hundred ninety-eight million, seventy-one thousand, eight hundred forty-two".