698741 has 4 divisors (see below), whose sum is σ = 701184. Its totient is φ = 696300.

The previous prime is 698729. The next prime is 698773. The reversal of 698741 is 147896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698741 is a prime.

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

It is a Duffinian number.

It is a Curzon 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 (698701) 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, 725 + ... + 1386.

It is an arithmetic number, because the mean of its divisors is an integer number (175296).

2⁶⁹⁸⁷⁴¹ is an apocalyptic number.

It is an amenable number.

698741 is a deficient number, since it is larger than the sum of its proper divisors (2443).

698741 is a wasteful number, since it uses less digits than its factorization.

698741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442.

The product of its digits is 12096, while the sum is 35.

The square root of 698741 is about 835.9072915102. The cubic root of 698741 is about 88.7371362695.

The spelling of 698741 in words is "six hundred ninety-eight thousand, seven hundred forty-one".