698362279 has 4 divisors (see below), whose sum is σ = 701359776. Its totient is φ = 695364784.

The previous prime is 698362229. The next prime is 698362283. The reversal of 698362279 is 972263896.

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 698362279 - 2¹¹ = 698360231 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 (698362229) 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, 1498399 + ... + 1498864.

It is an arithmetic number, because the mean of its divisors is an integer number (175339944).

Almost surely, 2^698362279 is an apocalyptic number.

698362279 is a deficient number, since it is larger than the sum of its proper divisors (2997497).

698362279 is a wasteful number, since it uses less digits than its factorization.

698362279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997496.

The product of its digits is 1959552, while the sum is 52.

The square root of 698362279 is about 26426.5449690269. The cubic root of 698362279 is about 887.2110138658.

The spelling of 698362279 in words is "six hundred ninety-eight million, three hundred sixty-two thousand, two hundred seventy-nine".