698127 has 4 divisors (see below), whose sum is σ = 930840. Its totient is φ = 465416.

The previous prime is 698111. The next prime is 698171. The reversal of 698127 is 721896.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 698127 - 2⁴ = 698111 is a prime.

It is an Ulam number.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698527) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 116352 + ... + 116357.

It is an arithmetic number, because the mean of its divisors is an integer number (232710).

2⁶⁹⁸¹²⁷ is an apocalyptic number.

698127 is a deficient number, since it is larger than the sum of its proper divisors (232713).

698127 is a wasteful number, since it uses less digits than its factorization.

698127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232712.

The product of its digits is 6048, while the sum is 33.

The square root of 698127 is about 835.5399451851. The cubic root of 698127 is about 88.7111368561.

The spelling of 698127 in words is "six hundred ninety-eight thousand, one hundred twenty-seven".