698004397 has 4 divisors (see below), whose sum is σ = 709835040. Its totient is φ = 686173756.

The previous prime is 698004361. The next prime is 698004403. The reversal of 698004397 is 793400896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 698004397 - 2²³ = 689615789 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 (698004317) 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, 5915233 + ... + 5915350.

It is an arithmetic number, because the mean of its divisors is an integer number (177458760).

Almost surely, 2^698004397 is an apocalyptic number.

It is an amenable number.

698004397 is a deficient number, since it is larger than the sum of its proper divisors (11830643).

698004397 is a wasteful number, since it uses less digits than its factorization.

698004397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11830642.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 698004397 is about 26419.7728415670. The cubic root of 698004397 is about 887.0594348955.

The spelling of 698004397 in words is "six hundred ninety-eight million, four thousand, three hundred ninety-seven".