698474401 has 8 divisors (see below), whose sum is σ = 715866984. Its totient is φ = 681098880.

The previous prime is 698474389. The next prime is 698474417. The reversal of 698474401 is 104474896.

It can be written as a sum of positive squares in 4 ways, for example, as 266832225 + 431642176 = 16335^2 + 20776^2 .

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 698474401 - 2⁵ = 698474369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698474201) 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, 130755 + ... + 135991.

It is an arithmetic number, because the mean of its divisors is an integer number (89483373).

Almost surely, 2^698474401 is an apocalyptic number.

It is an amenable number.

698474401 is a deficient number, since it is larger than the sum of its proper divisors (17392583).

698474401 is a wasteful number, since it uses less digits than its factorization.

698474401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 698474401 is about 26428.6662735750. Note that the first 3 decimals coincide. The cubic root of 698474401 is about 887.2584918741.

The spelling of 698474401 in words is "six hundred ninety-eight million, four hundred seventy-four thousand, four hundred one".