698047 has 4 divisors (see below), whose sum is σ = 797776. Its totient is φ = 598320.

The previous prime is 698039. The next prime is 698051. The reversal of 698047 is 740896.

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 698047 - 2³ = 698039 is a prime.

It is a super-2 number, since 2×698047² = 974539228418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49854 + ... + 49867.

It is an arithmetic number, because the mean of its divisors is an integer number (199444).

2⁶⁹⁸⁰⁴⁷ is an apocalyptic number.

698047 is a deficient number, since it is larger than the sum of its proper divisors (99729).

698047 is an equidigital number, since it uses as much as digits as its factorization.

698047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99728.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 698047 is about 835.4920705788. The cubic root of 698047 is about 88.7077481880.

Subtracting 698047 from its reverse (740896), we obtain a square (42849 = 207²).

The spelling of 698047 in words is "six hundred ninety-eight thousand, forty-seven".