698743 has 4 divisors (see below), whose sum is σ = 709240. Its totient is φ = 688248.

The previous prime is 698729. The next prime is 698773. The reversal of 698743 is 347896.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698743 is a prime.

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

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5148 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (177310).

2⁶⁹⁸⁷⁴³ is an apocalyptic number.

698743 is a deficient number, since it is larger than the sum of its proper divisors (10497).

698743 is a wasteful number, since it uses less digits than its factorization.

698743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10496.

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

The square root of 698743 is about 835.9084878143. The cubic root of 698743 is about 88.7372209333.

It can be divided in two parts, 698 and 743, that added together give a palindrome (1441).

The spelling of 698743 in words is "six hundred ninety-eight thousand, seven hundred forty-three".