698099401 has 8 divisors (see below), whose sum is σ = 705650120. Its totient is φ = 690588288.

The previous prime is 698099399. The next prime is 698099417. The reversal of 698099401 is 104990896.

It can be written as a sum of positive squares in 4 ways, for example, as 22099401 + 676000000 = 4701^2 + 26000^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 698099401 - 2¹ = 698099399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698099201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26245 + ... + 45661.

It is an arithmetic number, because the mean of its divisors is an integer number (88206265).

Almost surely, 2^698099401 is an apocalyptic number.

It is an amenable number.

698099401 is a deficient number, since it is larger than the sum of its proper divisors (7550719).

698099401 is a wasteful number, since it uses less digits than its factorization.

698099401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19803.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 698099401 is about 26421.5707519443. The cubic root of 698099401 is about 887.0996783723.

The spelling of 698099401 in words is "six hundred ninety-eight million, ninety-nine thousand, four hundred one".