698613379 has 4 divisors (see below), whose sum is σ = 705142584. Its totient is φ = 692084176.

The previous prime is 698613367. The next prime is 698613403. The reversal of 698613379 is 973316896.

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 698613379 - 2⁹ = 698612867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698673379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3264442 + ... + 3264655.

It is an arithmetic number, because the mean of its divisors is an integer number (176285646).

Almost surely, 2^698613379 is an apocalyptic number.

698613379 is a deficient number, since it is larger than the sum of its proper divisors (6529205).

698613379 is a wasteful number, since it uses less digits than its factorization.

698613379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529204.

The product of its digits is 1469664, while the sum is 52.

The square root of 698613379 is about 26431.2954468751. The cubic root of 698613379 is about 887.3173349913.

The spelling of 698613379 in words is "six hundred ninety-eight million, six hundred thirteen thousand, three hundred seventy-nine".