698982247 has 4 divisors (see below), whose sum is σ = 699844936. Its totient is φ = 698119560.

The previous prime is 698982209. The next prime is 698982253. The reversal of 698982247 is 742289896.

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 698982247 - 2¹¹ = 698980199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698982287) 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, 430128 + ... + 431749.

It is an arithmetic number, because the mean of its divisors is an integer number (174961234).

Almost surely, 2^698982247 is an apocalyptic number.

698982247 is a deficient number, since it is larger than the sum of its proper divisors (862689).

698982247 is an equidigital number, since it uses as much as digits as its factorization.

698982247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862688.

The product of its digits is 3483648, while the sum is 55.

The square root of 698982247 is about 26438.2723906083. The cubic root of 698982247 is about 887.4734754223.

The spelling of 698982247 in words is "six hundred ninety-eight million, nine hundred eighty-two thousand, two hundred forty-seven".