698734 has 8 divisors (see below), whose sum is σ = 1109808. Its totient is φ = 328800.

The previous prime is 698729. The next prime is 698773. The reversal of 698734 is 437896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 698693 and 698702.

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 3 ways as a sum of consecutive naturals, for example, 10242 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (138726).

2⁶⁹⁸⁷³⁴ is an apocalyptic number.

698734 is a deficient number, since it is larger than the sum of its proper divisors (411074).

698734 is a wasteful number, since it uses less digits than its factorization.

698734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20570.

The product of its digits is 36288, while the sum is 37.

The square root of 698734 is about 835.9031044326. The cubic root of 698734 is about 88.7368399451.

It can be divided in two parts, 6987 and 34, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 698734 in words is "six hundred ninety-eight thousand, seven hundred thirty-four".