698620 has 24 divisors (see below), whose sum is σ = 1580544. Its totient is φ = 257856.

The previous prime is 698591. The next prime is 698641. The reversal of 698620 is 26896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084 + ... + 1603.

It is an arithmetic number, because the mean of its divisors is an integer number (65856).

2⁶⁹⁸⁶²⁰ is an apocalyptic number.

It is an amenable number.

698620 is an abundant number, since it is smaller than the sum of its proper divisors (881924).

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

698620 is a wasteful number, since it uses less digits than its factorization.

698620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 698620 is about 835.8349119294. The cubic root of 698620 is about 88.7320138120.

The spelling of 698620 in words is "six hundred ninety-eight thousand, six hundred twenty".