698140 has 24 divisors (see below), whose sum is σ = 1490832. Its totient is φ = 274560.

The previous prime is 698111. The next prime is 698171. The reversal of 698140 is 41896.

698140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 698099 and 698108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (62118).

2⁶⁹⁸¹⁴⁰ is an apocalyptic number.

It is an amenable number.

698140 is an abundant number, since it is smaller than the sum of its proper divisors (792692).

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

698140 is a wasteful number, since it uses less digits than its factorization.

698140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 698140 is about 835.5477245496. The cubic root of 698140 is about 88.7116874902.

It can be divided in two parts, 6981 and 40, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 698140 in words is "six hundred ninety-eight thousand, one hundred forty".