698354799 has 4 divisors (see below), whose sum is σ = 931139736. Its totient is φ = 465569864.

The previous prime is 698354791. The next prime is 698354801. The reversal of 698354799 is 997453896.

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 698354799 - 2³ = 698354791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698354791) 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, 116392464 + ... + 116392469.

It is an arithmetic number, because the mean of its divisors is an integer number (232784934).

Almost surely, 2^698354799 is an apocalyptic number.

698354799 is a deficient number, since it is larger than the sum of its proper divisors (232784937).

698354799 is a wasteful number, since it uses less digits than its factorization.

698354799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232784936.

The product of its digits is 14696640, while the sum is 60.

The square root of 698354799 is about 26426.4034442828. The cubic root of 698354799 is about 887.2078462825.

It can be divided in two parts, 698354 and 799, that added together give a triangular number (699153 = T₁₁₈₂).

The spelling of 698354799 in words is "six hundred ninety-eight million, three hundred fifty-four thousand, seven hundred ninety-nine".